PatientsLikeMe, crowdsourced health information;
Starling, a social TV platform. I think there's going to be so much mileage in this stuff... television is a social medium;
The literary platform, a top-notch blog covering publishing and digital content;
The data-driven life: " without good time calibration, it is much harder to see the consequences of your actions. If you want to replace the vagaries of intuition with something more reliable, you first need to gather data. Once you know the facts, you can live by them.";
The Five Second Test, for getting quick feedback on designs;
Realtime visualisation of European flights, particularly lovely to look at whilst they were all volcano'd out;
No Bugs: " This isn't a matter of finding defects earlier; it's a question of not generating them at all"
Designing for iPad - a pile of practical hints, tips and thoughts on iPad UI;
SCVNGR, a very interesting-looking Google-backed location-based gaming platform;
Authenticating against App Engine from Android... slowly, slowly, tying all that infrastructure together...