Block’s stock surges 20% as Wall Street rewards massive job cuts at the parent company of Square and the Cash App.

Block, the company behind Square, Cashapp and Afterpay, is proactively slashing 40% of its workforce because of advances in AI. Will other companies follow suit? Tech expert Lance Ulanoff tells CNN’s ...

It looks like a cute little dolphin-themed toy, but the Flipper Zero is a surprisingly powerful learning tool for hacking. Here's how I mastered mine—and how you can, too.