This weeks TZ Startup Hot Seat featured Justin Kan of Socialcam and Justin.tv. Justin is most known for broadcasting his life 247. In 2007, Justin Kan stopped broadcasting and Justin.tv relaunched into its current form as a network of thousands of various channels. Based on the research they have done with their release of the Justin.tv iPhone app, Socialcam was born. Let's take a look at what Socialcam is all about, and also get a few tips for startupsentrepreneurs out there.