Jobs is demoing iPhone OS 4 now for developers, and MobileCrunch is blogging it live:
For any developers who code for the iPhone, iPod Touch, or iPad this might be of interest since it looks like they're really shaking it up. Started about 15 minutes ago.
Update: COOL! They've added multitasking!
This post has been edited by samalex: 08 April 2010 - 10:22 AM