This choppy little video hack was made on our own JumpCut in just a few hours. It's the short version at about 5 minutes. You can also see the full Hack Day London video (15 minutes) complete with some funny behind-the-scenes footage from the Friday before the event.
YQL Refresher: SQL Everywhere - Gaurav Vaish, Yahoo!
Firefox OS development workshop - Francisco Jordano, Telefonica