Technologies
This iOS 16.4 Trick Makes Your Phone Calls Sound Better
An old FaceTime upgrade comes to voice calls.
If you’ve downloaded iOS 16.4 to your iPhone, one new feature can help make your phone calls sound more clear. The update expands Voice Isolation to phone calls now, expanding the feature from FaceTime calls. Apple introduced Voice Isolation and Wide Spectrum to FaceTime calls with the release of iOS 15 in 2021. However, only Voice Isolation is available for phone calls at this time.


When enabled, Voice Isolation muffles distracting background noises that interrupt your phone call. That way, if you’re on a business call or catching up with friends, you won’t be interrupted by your dog’s barking or construction outside your home.
To enable Voice Isolation, you have to be on a phone call, and you won’t find the feature in Settings. But once you turn Voice Isolation on, it will stay on for all subsequent phone calls until it’s turned off.
Here’s how to activate and disable Voice Isolation for phone calls.
How to enable Voice Isolation
1. Start or answer a phone call.
2. Swipe down from the top-right corner of your screen to access your Control Center.


Mic Mode can be found in the Control Center during a phone call.
Zach McAuliffe/CNET3. Tap Mic Mode near the top-right corner of your screen.
4. Tap Voice Isolation.
Pro tip: Instead of turning this feature on during a call with someone else, you can call yourself and enable Voice Isolation by following the steps above.
To disable Voice Isolation, follow the same steps above and tap Standard in Mic Mode. This will return your microphone back to its default setting.
What’s Wide Spectrum?
Alongside Voice Isolation in Mic Mode is Wide Spectrum. Unlike Voice Isolation — which muffles background sounds — Wide Spectrum amplifies background sounds without affecting your voice.


A message in Mic Mode says Wide Spectrum isn’t available on phone calls.
Zach McAuliffe/CNETWide Spectrum is useful for calls with multiple people on one phone line. That way, everyone can be heard, not just the person holding the phone.
Currently, Wide Spectrum is only available for FaceTime calls, not phone calls. But, since the feature is still present in Mic Mode when accessed during a phone call, this feature might become available for phone calls in the future.
For more, check out other new features in iOS 16.4 and how to turn Voice Isolation on in FaceTime calls.
Technologies
Google, Meta and Amazon Join Global Pact to Fight Rising Online Scams
The companies will share fraud intelligence and coordinate responses as AI makes scams faster, cheaper and harder to detect.
Modern online scams operate across multiple platforms, perhaps spanning social media, messaging apps, email and online marketplaces. Google, Meta and Amazon are among 11 tech, retail and payments companies that have signed a new agreement to combat online scams by sharing threat intelligence across platforms, Axios first reported Monday.
The initiative, called the Industry Accord Against Online Scams & Fraud, is designed to improve how companies detect and respond to fraud that spans multiple services. Participants say they will exchange signals, such as scam-linked accounts and fraudulent domains, and coordinate enforcement actions.
By sharing intelligence in near real time, companies hope to identify these scams earlier and stop them before they spread.
The effort reflects how modern scams operate. A victim might encounter a fake celebrity investment ad on social media, move to a messaging app where the scammer builds trust, then faces prompts to send money through a fraudulent website, payment app or crypto wallet — spanning multiple companies’ ecosystems.
Google said it now blocks hundreds of millions of scam-related results every day using AI, underscoring how both attackers and defenders are increasingly relying on the same technology. Meta removed more than 159 million scam ads in 2025 and is expanding AI tools to detect impersonation and warn users.
Online scams are growing rapidly, in part because generative AI has lowered the barrier to entry. AI can be used not only to produce realistic phishing emails but also to clone voices and deepfake videos that impersonate executives, public figures and even family members.
The agreement is voluntary and doesn’t create new legal obligations, but it comes after regulators’ increased pressure on tech platforms to address fraud more aggressively. The companies say they will begin building frameworks for reporting and intelligence-sharing, though it’s not yet clear how quickly those systems will be deployed or how effective they will be in practice.
Technologies
Today’s NYT Mini Crossword Answers for Wednesday, March 18
Here are the answers for The New York Times Mini Crossword for March 18.
Looking for the most recent Mini Crossword answer? Click here for today’s Mini Crossword hints, as well as our daily answers and hints for The New York Times Wordle, Strands, Connections and Connections: Sports Edition puzzles.
Need some help with today’s Mini Crossword? I thought it was a fairly easy one, but read on for all the answers. And if you could use some hints and guidance for daily solving, check out our Mini Crossword tips.
If you’re looking for today’s Wordle, Connections, Connections: Sports Edition and Strands answers, you can visit CNET’s NYT puzzle hints page.
Read more: Tips and Tricks for Solving The New York Times Mini Crossword
Let’s get to those Mini Crossword clues and answers.
Mini across clues and answers
1A clue: Word before «card,» flood» or «photography»
Answer: FLASH
6A clue: Joust weapon
Answer: LANCE
7A clue: Brain, heart or lungs
Answer: ORGAN
8A clue: «Frozen» reindeer
Answer: SVEN
9A clue: What can be found on frozen roads or frozen margaritas
Answer: SALT
Mini down clues and answers
1D clue: Follow a dentist’s recommendation
Answer: FLOSS
2D clue: Baby bug
Answer: LARVA
3D clue: Shape made in the snow
Answer: ANGEL
4D clue: Very little
Answer: SCANT
5D clue: Egg layer
Answer: HEN
Technologies
Amazon Speeds Up Delivery Even More With 1- and 3-Hour Options
The retailer says the one-hour option is available in hundreds of cities, with discounted shipping for Prime members.
Same-day delivery apparently isn’t fast enough for some Amazon shoppers. The retail giant said on Tuesday it’s adding new shipping options that will get products to front doors within a one- or three-hour window.
The company said in its announcement that the one-hour option is available in hundreds of cities across the US, while the three-hour option is now live in more than 2,000 areas. Amazon’s web page at amazon.com/getitfast shows whether those options are available to shoppers for their location. More than 90,000 products will be available for those shipping windows, the company said.
For those who can’t get those services (including the author of this post, who lives between Austin and San Antonio in Texas), a message will display: «3-hour delivery is currently unavailable. Check back at a later time or shop products with Same-Day delivery below.»
Pricing for the faster delivery options is not cheap: It’ll cost you $20 for one-hour delivery and $15 for three-hour delivery for those without an Amazon Prime account, or $10 and $5 for customers who subscribe to Prime.
Last year, the company rolled out faster Amazon delivery options to 4,000 additional areas.
In a video of the podcast Learn and Be Curious with Doug Herrington, hosted by Amazon’s CEO of worldwide stores, Kandace Kapps, the director of the company’s same-day strategy team, spoke in more detail about the challenges of fast shipping. Kapps discussed shifts in customer buying habits over the last few years, such as more people buying household essentials like toilet paper on Amazon.
She said that Amazon can deliver so quickly by placing same-day delivery hubs close to customers in metro areas and by getting products ready to ship within 15 minutes, aided by warehouse robots.
«I think customers are going to continue to get magically surprised by how fast we can deliver to their doorstop,» Kapps said.
Herrington said fast shipping increases sales: «When we speed up the service, the probability that somebody buys a product from us goes up.»
Other retailers, including Walmart, have been adding same-day delivery options or exploring other ways to speed up shipping times to compete with Amazon.
Removing buyers’ moments of hesitation
Part of Amazon’s strategy, which has involved a massive buildout of locations, deployment of thousands of trucks, deals with other delivery services and investment in logistics software, is actually pretty simple: being there when people need last-minute items or make impulse buys.
«It’s about removing the last moment where you would’ve reconsidered the purchase,» said Stephanie Carls, retail insights expert at coupon and promotional-code website RetailMeNot, a sibling site of CNET. «It changes how you shop, not just how fast you get things.»
Carls said that Amazon’s super-fast delivery is removing the timeframe when people might change their minds about a purchase.
«There used to be a gap between deciding to buy something and actually having it. That’s when you’d price check, rethink it, or decide you didn’t need it after all,» she said. «This closes that gap.»
The retail expert said that competitors, including Walmart and Target, have been speeding up delivery times in some markets. Still, they’re not matching Amazon’s scale or product range at those speeds or levels of consistency.
«And that’s what starts to make everyone else feel slow,» Carls said. «Amazon’s advantage is how tightly connected its technology, inventory and delivery networks are, which makes this level of speed more repeatable.»
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