This weeks TZ Startup Hot Seat featured Justin Kan of Socialcam and Justin.tv. Justin is most known for broadcasting his life 24/7. 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 startups/entrepreneurs out there.