They're going to announce that the Google Toolbar will be bundled with Safari! That's groundbreaking news that will change the world! (interesting - meant to link to Jonathan Schwartz's "the world is about to change" post, but it appears to have oddly vanished...)
Seriously, though, I really hope it's a video iPod, with a writeable screen ala Newton... I'd cut off my left earbud for one of those...
