Huge amounts of data are available online via APIs, but often in forms that aren't viewable by non-technical folks. This tool lets you play with examples from a handful of popular APIs.
Google+ has taken off like no other social network before it. While it's still in 'limited field trial' mode, it's already being seriously considered as a contender to take on Twitter and Facebook. Journalists already use both those networks to great effect. Could Google+ see similar usage?