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Amazon, Meta, Microsoft, and other US tech giants are hiding $1.65 trillion in AI debt

Ripple effect: Amid growing talk of an AI bubble, a study by Japanese market analysts has found that five of the largest American technology companies are carrying a collective "hidden" debt of over $1.65 trillion, driven largely by massive spending on AI infrastructure. That undisclosed sum exceeds the $1.35 trillion the same companies have officially reported on their balance sheets, and it has grown eightfold over the past four years.
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WhatsApp desktop turns your PC into a full messaging hub

WhatsApp's desktop app turns your Windows or Mac into a full messaging hub. You can link up to four devices at once, make voice and video calls straight from your webcam, and type on a real keyboard instead of a phone screen. Your phone only needs to reconnect once every 14 days, so it's an easy way to stay on top of conversations while you actually get work done.
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Meta's new AI tool can generate images of you using your Instagram photos, and you're opted in by default

And here's how to opt out of Meta Muse...
Through the looking glass: Meta launched a new AI image-generation model called Muse Image this week, letting users create, edit, and blend photos using natural language prompts inside Meta AI, with the tool already live on Instagram and WhatsApp and expected on Facebook and Messenger soon. However, the new feature is already raising privacy concerns, as it allows anyone to generate AI images using other people's Instagram photos.
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Meta will disable your smart glasses' camera if you tamper with the recording light

People paid up to $100 in the "black market" to disable Meta glasses' recording light
A hot potato: The ability of smart glasses to record and photograph people without their knowledge or consent has long been one of the devices' most controversial aspects. Meta's glasses come with an LED light to show when they're recording, but some individuals have found ways to stop this indicator. Now, the social media giant says it will disable the onboard camera if someone tampers with the light.
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Meta is using old DDR4 memory in DDR5-only AI servers to save on hardware costs

Cutting corners: Faced with rising memory costs, Meta says it is reusing old DDR4 RAM in its servers rather than buying new hardware. The company revealed this week that it is repurposing DDR4 memory from decommissioned servers into its new DDR5-only machines, using a custom CXL ASIC that avoids the compatibility issues and major latency penalties that typically come with mixing memory generations. The design reportedly cuts AI inference server count by up to 25% and reduces job-restart and fragmentation overhead by 33%.