WhatsApp can now open and edit PDFs without making you download them first

The feature is available today through WhatsApp Web and the Windows app. The headline comes with an important caveat, though. This isn’t full PDF editing. You can review and annotate a document, but you can’t rewrite its original text or rearrange the layout.

Substack now lets you check if a post was written by AI

How the scanning tool works

China’s AI talent shortage has tech giants recruiting teenagers

Companies used to wait for graduates to walk through the door. Now they're reaching further back, first to undergrads, and increasingly to teenagers, hoping to spot rare talent before anyone else gets to them.