Technologies
Clean Up Your Phone By Deleting Your Android Web Browser’s Cookies, Cache
Your web browser’s cookies and cache can build up a lot of data on your Android device. Clearing it out can help keep the clutter to a minimum.
Your Android phone is online constantly, and your web browser in particular is picking up data from all the different websites you visit. Much of that data builds up in your web browser app — whether you’re using Google Chrome, Firefox or Samsung Internet — storing it as part of the cookies and cache within those apps. This data can be helpful for websites you regularly frequent, letting them load faster with your accounts already logged in.
While data for the websites you frequent is certainly convenient, the cache and cookies are also where data from websites you visited as a one-off along with random data trackers also build up. Some of the cookies in particular can track your browsing history, and it could be helping serve up personalized advertising based on your web history. For instance, the way you end up seeing advertising for a product that you might have viewed briefly on a shopping website.
Because of this, every so often it’s good to clear out your cache. This way you can remove data that you simply don’t need on your phone, especially if it’s a data tracker that you aren’t even aware is part of your phone’s cookies. This will lead to a minor convenience of having to log back into some of your favorite websites, but it’s a small price in order to make sure your phone isn’t stocking up on extraneous data.
The steps differ slightly depending on the type of phone and web browser app you’re using, so below we’ll go over how to clear this data for Google Chrome browser (often the default for many Android phones like the Google Pixel line), Samsung’s Internet browser (often the default on the Galaxy phone series) and Mozilla’s Firefox browser. You can also check out our separate guide on how to clear your cache on an iPhone web browser in case you have a few Apple devices to tidy up, too.
Google Chrome
You can delete your cookies and cache from within the Android version of Google Chrome by first tapping the More button in the top right corner of the browser, indicated by a column of three dots, then tapping History, then Clear browsing data. You can also access this from the Chrome Settings menu, tapping Privacy and Security and then Clear browsing data.
Chrome also offers Basic and Advanced settings for clearing your Browsing history, Cookies and site data and Cached images and files. You can use the Time range drop-down to select whether you want to delete the entire history or a selection of anywhere from the past 24 hours up to the last four weeks. Tapping Advanced will also give you access to deleting Saved passwords, Autofill form data and Site settings. After selecting what you want to delete, tap the blue Clear data button. You might receive an additional prompt in the event Chrome deems certain websites as being “important” to you, and if so you’ll get the chance to confirm before clearing. Otherwise if you do not receive that prompt, Chrome will immediately proceed to clear as you instructed.
Read more: Ditch Google Chrome and Use This Privacy-Focused Browser Instead
Samsung Internet
There are two different ways you can clear your Samsung Internet browser’s cache and cookie data. You can clear from within the browser itself, or you can go through your phone’s Settings app.
To clear while in the Samsung Internet browser app, first tap the Options button in the bottom right corner represented by three horizontal lines, then Settings; scroll down to and tap Personal Data, then tap Delete browsing data to get a menu of options to delete. You can clear your Browsing history, Cookies and site data, Cached images and files, Passwords and Autofill forms in any combination. After tapping Delete data, you’ll then receive a prompt asking for you to confirm your choices before deleting.
Going through the browser app itself provides the most customization of what you want to delete. However, if you want to access similar options from your phone’s settings menu, open the Settings app and tap on Apps, then scroll down to and tap Samsung Internet and then Storage.
At the bottom of Storage, you get separate options to Clear cache and Clear data. Tapping Clear cache will immediately delete the cache, but Clear data brings up a prompt that warns you that all of the application’s data will be deleted permanently, including files, settings, accounts and databases. While it doesn’t specify cookies, this “going nuclear” approach should zap all remaining data, letting you restart the Samsung Internet browser as if it were brand-new.
Read more: Change These Android Settings to Get the Most Out of Your Phone
Mozilla Firefox
Much as with Google Chrome, you can clear the cache from within the Mozilla Firefox Android app. To access this function, tap the More button on the right of the address bar, again symbolized by three vertically aligned dots. Then tap Settings and scroll down to Delete browsing data.
Of the three browsers we’re discussing here, Firefox gives you the most options under the Delete browsing data menu, allowing you to also delete any existing Open tabs, your Browsing history and site data, Site permissions and even your Downloads folder alongside Cookies and Cached images and files.
While you can’t pick a time range as you can for Chrome, you can be more specific regarding what type of data you would like to remove.
Read more: Browser Privacy Settings to Change ASAP in Firefox, Chrome and Safari
And Firefox has an additional option for those who never want to keep their browsing data after they’re done using the app. Inside of Settings is a Delete browsing data on quit option, which instructs Firefox to wipe any combination of these same settings every time you quit the application. It’s a useful feature if you’d like to keep the browser tidy and, say, avoid accidentally handing off your browser history to someone who may have stolen or otherwise gained access to your phone.
For more, check out everything to know about Google’s new operating system, Android 13, including how to download the beta. Also, take a look at CNET’s list of the best Android apps and some settings you’ll want to change on your current phone.
Technologies
NBA commissioner Adam Silver says league could introduce âsmart ballâ technology as soon as next year
Commissioner Adam Silver says the NBA could begin using a new “smart ball” in games as soon as next year, potentially transforming how officials make calls.
NBA Commissioner Adam Silver says the league could begin using a new âsmart ballâ in games as soon as 2027, potentially transforming how officials make calls on the basketball court.
In an interview with CNBCâs Contessa Brewer, Silver revealed that the NBA is working with official basketball manufacturer Wilson to develop a ball embedded with a tiny microchip Bluetooth sensor that can track movement, spin and changes in trajectory.
âWeâre experimenting with putting a small chip in the ball that weighs roughly a gram,â Silver said.
The technology has already been tested in the NBAâs G League, Summer League, and some preseason games, where players used basketballs both with and without the chip. Silver said players have been pleased with the results.
âNobody could tell the difference. So thatâs a good sign,â he said.
The chip weighs just one gram, compared with the roughly 620-gram or 1.4 pound basketball. Silver said the league wanted to ensure that even the most experienced players wouldnât notice a change in how the ball feels or bounces.
One of the most immediate applications could be officiating.
Silver said the technology could help referees determine whether a player touched the ball before it went out of bounds by detecting subtle changes in its spin. It could also help identify whether a shotâs trajectory was altered.
âI think you could see as soon as next year us using it for officiating in our games,â Silver said.
Beyond officiating, Silver sees a significant opportunity to bring the technology to consumers, allowing basketball players of all ages to analyze and evaluate their shooting mechanics.
For example, a player taking hundreds of shots could use data collected by the chip to understand which shooting angles and ball rotations are most likely to result in a basket.
âYouâll then see the graph, and youâll see for which the angle of the shots that went in, theyâre more likely to go in,â Silver said.
While the officiating application could arrive as soon as next year, Silver said a consumer version may take longer.
âI think the consumers version [of the smart ball] is a few years away, but itâs a really exciting opportunity.â
NBA playersâ union raises concerns over wearables
The league is also exploring the use of wearable technology during games, but negotiations with the National Basketball Players Association have yet to produce an agreement.
The NBA says officials experimented with wrist wearables in select preseason and summer league games this year in a âsuccessful pilot program,â but it will not extend into the season. The technology allowed the referees to communicate with the replay center about reviews, scoring changes and clock malfunctions.
Silver said players routinely use wearable devices off the court to monitor everything from sleep to physical performance, but concerns remain over how data collected during games could be used by teams.
âI think we have to come to some agreement on exactly how the information is used. But it seems everybody wants that information,â Silver said.
The biggest sticking point is whether that information could affect contract negotiations, Silver said.
âIf you could see a player was slowing down or something like that, theyâre worried that that could get used in bargaining, and I get that,â he said.
Silver acknowledged those concerns and said the league needs to reach an agreement with the playersâ union on how the information would be used.
Still, he suggested that allowing wearables during games is a logical next step as athletes increasingly rely on technology to monitor their performance.
âI think the players are in a position right now where theyâre essentially wearing wearables 22 hours a day, and the only time theyâre not wearing them is when theyâre playing in the game,â Silver said. âSo that canât make sense.â
âWeâll work something out with them,â he added.
Technologies
AIâs quiet safety gatekeepers are stepping into the spotlight
The intensifying AI safety debate is bringing a small group of third-party evaluators into the center of a multitrillion-dollar industry.
Two months ago, independent evaluators occupied a relatively sleepy corner of the multitrillion-dollar artificial intelligence industry. Now theyâre being asked to come to its rescue.
While Anthropic and OpenAI are the heart of a fierce debate over whether they can safeguard their advanced models and grow their businesses simultaneously, the companies are seeking support from a handful of small third-party groups like Model Evaluation and Threat Research (METR), Apollo Research and Transluce.
The evaluators, which mostly operate as nonprofits, are still finding their footing in an industry where capital is flowing at historic levels and new models are rolling out faster than ever. Their primary role has been to assess AI model capabilities and risks, and to call attention to instances where the technology behaves badly.
In the absence of a federal push for regulations, evaluators have taken on outsized importance. Anthropic CEO Dario Amodei pledged to embed independent evaluators in his company last month â a move that OpenAI CEO Sam Altman quickly endorsed.
President Donald Trump supported the idea, as did most of the largest U.S. tech companies. But left unanswered are questions about how those third parties should be funded, what level of access they will have and what the reporting structure will ultimately look like.
âTo a degree, the problem, as always, is money,â Suresh Venkatasubramanian, a computer science professor at Brown University, told CNBC in an interview. âWho is paying for these companies to do their work? How are they going to support them? You need an ecosystem, you need a viable business model for this.â
Right now, Anthropic, OpenAI and the infrastructure partners that are profiting from the AI boom are writing the rules. Critics say thatâs like asking the biggest banks to protect us from a financial crisis or allowing pharmaceutical companies to put drugs on the market without regulatory clearance.
President Trump recently lauded AI executives for their âtremendous self-policing,â and signaled that he intends to leave companies to their own devices, unwilling to impede the growth of the industry thatâs driving the economy and stock market. Trump encouraged AI companies to âpartner with an independent external auditor or evaluatorâ as part of a voluntary accord he presented in late September.
Itâs a conversation that Amodei kicked off In his viral essay last month, when he called for a âslower paceâ in advanced model development after researchers left his company and voiced their concerns about the existential threats the technology poses.
As the AI labs move to put evaluators in place, friction is already starting to emerge.
OpenAI fired three employees last week for âviolating our policies on accessing and handling sensitive company information,â according to a spokesperson. Two of those employees, Mikita Balesni and Tomek Korbak, said they believe they were dismissed because of how they communicated with third-party evaluators.
âMy former colleagues are telling me they are confused about what to believe,â Balesni wrote in a post on X on Thursday. âThey also are afraid to speak, and worry their personal phones will be searched for messages to us and third parties. I worry the pervading fear to speak up and engage with third parties will mean OpenAI will cut corners on safety behind closed doors.â
OpenAI disputed that characterization and said in a post on Friday that itâs âactively finalizing contracts with third-party safety assessors and will announce details in the coming weeks.â
âWe are committed to embedding external assessors and continue to make close collaboration with independent safety organizations a core part of our safety work,â OpenAI wrote.
An OpenAI spokesperson said in an emailed statement that its upcoming work with evaluators âbuilds on existing collaboration with independent safety organizations,â including METR and Redwood Research.
Anthropic didnât respond to CNBCâs request for comment.
âIâve never seen an issue move so fastâ
The AI evaluator ecosystem consists mostly of small organizations, including METR and Apollo Research, and larger accounting and auditing firms like Accenture.
AI labs have been working with evaluators in limited capacities, but Andrew Freedman, CEO of policy nonprofit Fathom, said the field is quickly maturing.
âIâve worked in politics and policy for the last 20 years of my life, and Iâve never seen an issue move so fast on so many different political spectrums,â Freedman told CNBC in an interview. He said he expects an âinflux of capitalâ to flow into the ecosystem.
Rayan Krishnan, CEO of independent evaluator Vals AI, said his for-profit startup, which builds benchmarks to measure how AI models perform on industry-specific tasks, has grown from eight employees to roughly 30 this year, and in August announced a $40 million funding round.
METR, a nonprofit, announced in August that it had raised commitments of around $71 million over the last six months. Thatâs up from total 2024 contributions of $13.6 million, according to the groupâs most recent filing with the Internal Revenue Service.
By late that month, METRâs profile had risen further. OpenAI enlisted two of its employees and a contractor to put together a postmortem report detailing how the companyâs models escaped containment, accessed the open internet and breached open-source developer platform Hugging Face. METR said it did not accept payment from OpenAI for the assessment.
Kevin Werbach, faculty director of the Wharton Accountable AI Lab at the University of Pennsylvania, said the ecosystem is ânot robust enough right now.â METR, for example, employs fewer than 50 full-time staffers, according to its website.
The power imbalance between the small evaluators and the leading labs that have raised tens of billions of dollars and employ thousands of people raises questions surrounding potential conflicts.
âIf you want true third-party evaluation, you need true independence financially and otherwise,â said Venkatasubramanian. âItâs not just a matter of not getting paid, itâs a matter of, will there be consequences if I am an auditor and I put out a report that looks unfavorable to this company? Is my business going to dry up?â
Anthropic acknowledged the complexity in a blog post last month, as it announced it will embed employees from Faculty, Accentureâs specialist AI business, to test safeguards and assess whether models will behave in line with human values. Anthropic said that âgiven the importance and urgency of this work,â it will fund Accentureâs contributions directly.
âThere are, as yet, no standards for what information embedded evaluators should have access to, or how they should report what they find. There is also no settled system for funding independent evaluation,â Anthropic said. âLong-term, we think funding should come from pooled or government sources.â
Anthropic said itâs in discussions with METR and other nonprofit evaluators that are planning to use their own funding to pilot âelementsâ of embedded evaluation.
Will the government step in?
In June of last year, Fathom introduced a marketplace framework for Independent Verification Organizations, or IVOs. These groups would be licensed by the government and authorized to test whether AI companies are meeting various safety criteria.
Freedman, the groupâs CEO, said government oversight is key because otherwise third-party evaluators can become beholden to the large AI labs for revenue, incentivizing them to âstart rubber stamping stuffâ to maintain favor.
Some lawmakers are on board.
IVOs are a key provision of the âłFrontier Risk Oversight, National Transparency, Independent Evaluation, and Reportingâ (FRONTIER) Act, which Reps. Lori Trahan, D-Mass., and Jay Obernolte, R-Calif., introduced in July. Fathom helped draft language and provided technical expertise for the bill, Freedman said.
OpenAI global affairs chief Chris Lehane told reporters in September that he sat down with one of the billâs sponsors on Capitol Hill to express support for the IVO provision.
âIt was important for them to hear that and hear it from us, and we wanted to be really clear about that,â Lehane said, according to reports.
Meanwhile, lawmakers in California, Connecticut and Virginia have taken steps to implement IVOs, and states like Massachusetts are weighing independent safety evaluations more broadly.
California Governor Gavin Newsom recently signed two bills involving IVOs, one establishing a âfirst-in-the-nation framework,â and the other creating a state registry for AI auditors. Anthropic threw its support behind both bills in August, and OpenAI formally endorsed them last month, the same day Newsom signed them into law.
Lehane wrote in a blog post at the time that âwe prefer independent technical assessments to be required at the federal level,â but in the absence of federal action, âCalifornia can help establish the rules of the road.â
Freedman said he thinks it will be âreally difficultâ for companies like OpenAI and Anthropic to work out how to engage with independent evaluators on their own. However, with the governmentâs role unclear, âitâs a muscle worth developing in the interim,â he said.
For now, the closest thing the industry has to a set of standards is what Trump called a âmorally bindingâ agreement at a luncheon he hosted for tech leaders at the White House late last month.
The one-page accord says that âevery company is responsible for developing its own technology safely and in a way that builds trust with customers and the public.â It also encourages signees to work with an âindependent external auditor or evaluator to carry out independent assessments.â
The document was signed by top execs at Anthropic, Google, Meta, OpenAI, SpaceX and Nvidia, a rare show of solidarity between leaders who have shared conflicting views on addressing AIâs risks. The executives still have to chart their own paths forward.
âIt was a performance of an attempt to show action when in fact no action actually happened,â Venkatasubramanian said. âThe things that they promise to do are things they should have been doing already, and, in fact, have claimed that they were doing in the past.â
Amodei, in his September essay, said Anthropic will equip evaluators with desks, access badges, company laptops, and permissions that are âmostly comparableâ with internal risk assessment teams. Additionally, evaluators will be supported with contracts that give them âthe right to publish key findings,â with Anthropic reserving âthe narrow abilityâ to redact certain security-sensitive or confidential information.
âThis is an unusual step for a company, but we think it is important to prove out the concept of embedded external reviewers,â Amodei wrote.
OpenAI published its own proposal days later, and said evaluators should work on âscoped and mutually agreed upon claims for assessment,â clearly explain their methodology and standards, demonstrate relevant technical expertise and disclose conflicts of interest.
The AI Evaluator Forum, which includes METR, the AI Verification and Evaluation Research Institute (AVERI), and other groups, published a public letter last month titled, âMinimum Conditions for Embedding Evaluators.â
The letter said evaluators should be transparent, shielded from retaliation and granted access equivalent to AI companiesâ âown highly privileged employees.â
âEmbedded evaluations cannot address all oversight needs and should be treated as a complement to, rather than a replacement for, broader efforts by frontier AI companies to expand external oversight,â the letter said.
Freedman said heâs seen a shift in posturing out of OpenAI and Anthropic in recent months, largely because theyâve realized they wonât be able to roll out their advanced systems without the publicâs trust.
âI donât think you need to trust that theyâve suddenly turned altruistic or that thereâs anything but corporations acting like corporations,â Freedman said.
That underscores perhaps the central problem, Werbach said. OpenAI and Anthropic are, first and foremost, competing with each other as they march toward the public markets and seek trillion-dollar-plus valuations.
âThere is a tremendous amount of personal distrust between those two companies,â Werbach said. âEven though thereâs also tremendous agreement about the need for this kind of evaluation to happen.â
WATCH: Bradley Tusk on Anthropic IPO: Why add public market pressure if safety is your top priority?
Technologies
Trump says he is ‘going to look at’ joining Saudi Arabia in the fight against Iran-backed Houthis after deadly airport strike
U.S. military involvement in the fight against the Houthis would stretch resources in the Middle East already committed to fighting Iran, analysts said.
President Donald Trump said he is considering joining Saudi Arabia in its retaliation against Tehran-backed Houthis in Yemen after a deadly attack on Riyadhâs main airport, a move that could draw the U.S. further into a second front in the Iran war.
âWe may. Weâre going to look at it,â Trump told reporters outside the White House on Saturday when asked if the U.S. would back Saudi Arabian strikes. âWe just found out about the recent attack. So, weâll make a decision. We move very quickly.â
Two Saudi Arabian government officials told MS NOW that the kingdom is requesting âurgent defense supportâ from the U.S. following the attacks.
The officials, including a senior member of the Ministry of Foreign Affairs, did not want to be identified because of the matterâs sensitivity. They added that the U.S. needs to intervene âas soon as possibleâ to help the Saudi-led coalition in Yemen fight the Houthis.
The White House did not immediately respond to a CNBC request for comment.
The Saudi General Authority of Civil Aviation said the attack on King Khalid International Airport in Riyadh killed 12 people and injured 309 others, the countryâs official Saudi Gazette media outlet reported.
Colonel Turki Al-Maliki, the spokesman for the Saudi-led Coalition to Support Legitimacy in Yemen, which has been leading the fight against the Houthis, described the attack as a âwar crime.â
âTherefore, the Joint Forces Command of the Coalition will respond decisively to this terrorist attack in accordance with the Customary International Humanitarian Law,â Al-Maliki said in a post on X.
It was the second deadly assault on Riyadhâs airport in less than a week.
Three Saudi nationals, including a pilot, were killed in attacks on the facility by Iran-backed Houthi militants on Thursday.
Following Saturdayâs attack, the Houthis renewed their warning against using Saudi airports.
âWe renew our warning to all airlines, experts, employees, workers and travellers against using Saudi airports and airspace, as they are vulnerable to attack and have become a theatre of operations for our forces, with the exception of the airports in (the holy cities of) Mecca and Medina,â the Houthis said in a post on X.
Saudi Arabia, a key U.S. ally in the Middle East, intervened in Yemenâs civil war between the Houthis and its internationally recognized government after the group seized the Yemeni capital Sanaa in 2014.
Last month, the Trump administration approved the potential $24.3 billion sale of nearly 50 F-35 warplanes to Saudi Arabia in what was seen as a major boost for the kingdom as it faces intensifying attacks from the Houthis. The sale is under congressional review.
International energy conference still on
The Saudi energy ministry said a long-planned international energy conference will still take place in Riyadh on Sunday, Reuters reported.
The five-day WPC Energy Congress is taking place at a convention center near King Khalid airport. State television told Reuters that more than 70 ministers, 300 company executives and representatives of more than 25 international energy organizations have confirmed their attendance, though it was not clear whether the participants would attend in person or virtually.
Reuters said a ministerial meeting of the International Energy Forum is also set to take place, with its plenary session to be held behind closed doors.
Energy choke points
In addition to attacks on civil aviation, the Houthis have also been trying to choke off oil tanker traffic through the Bab el Mandeb strait, a key entry point to the Red Sea, as Iran has effectively done in the Strait of Hormuz to the north of the Arabian Peninsula.
Earlier this month, Yemeni government forces said they reclaimed the strategic port city of Mokha from the Houthis.
Energy prices have soared since the start of the Iran war, which began with U.S. and Israeli airstrikes on Iranian targets on Feb. 28, putting pressure on consumers globally.
The surge in domestic fuel prices has been a key issue for voters ahead of next monthâs U.S. midterm elections.
But that support would be expensive militarily.
âPotential U.S. involvement in the Saudi-Yemeni government air campaign to degrade Houthi ballistic missile capabilities would mark the first direct U.S. military action against the group since the conclusion of Operation Rough Rider in May 2025,â according to the Critical Threats Project, part of the American Enterprise Institute think tank.
The offensive aimed to suppress the Houthisâ capabilities, but recent attacks show the group has regrouped.
âAfter seven months of war, there are questions about the U.S. capacity to wage a sustained campaign against the Houthis, return to combat against Iran if necessary, and prepare for contingencies in other parts of the world, notably East Asia,â Steven Cook, an expert on Arab and Turkish politics at the Council on Foreign Relations think tank, wrote last month.
Meanwhile, the United Kingdomâs defense secretary said his government is also examining how to support Saudi Arabia.
âIâve spoken to my Saudi counterpart [Khalid bin Salman] on a number of occasions in recent weeks to look at what more we can do to support Saudi Arabia, and Iâm afraid last night explains precisely why we are providing that support,â Wes Streeting said in an interview on BBC television on Sunday.
Streeting said the U.K. is not getting involved in offensive operations âat this stage.â
âWeâve always been clear that there isnât a military solution to this conflict,â Streeting added.
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