Top news for December 21, 2008

Read it in the app

Amazon Dethrones Walmart as World’s Biggest Company by Sales

Mark Zuckerberg grilled on usage goals and underage users at California trial

IRS Loses 40% of IT Staff, 80% of Tech Leaders In 'Efficiency' Shakeup

California's New Bill Requires DOJ-Approved 3D Printers That Report on Themselves

Show HN: QVAC SDK, a universal JavaScript SDK for building local AI applications

The 16 best portable Bluetooth speakers for 2026

Finally, I found a smart ring that looks like actual jewelry (without the trade-offs)

What is a passkey? The easy explanation - and how they beat passwords

How to clear your Android phone cache - and why it greatly improves performance

I compared Verizon, T-Mobile, and AT&T 5G coverage on a road trip - and the winner surprised me