Free is Not a Sustainable Business Model - Unless You're YouTube

The largest cloud video network on the planet is yours to use for free! YouTube is amazing – you can use Hangouts for quick-n-dirty webcasts, or go into a more complex setup mode for real professional web-casting. But is being free to use a sustainable business model for anyone except YouTube?
twitch online video

Which Live Streaming Site Has 45M Viewers Per Month?

There is a rabid fan base out there consuming billions and billions of live video streaming minutes each month. You might have an idea of the site, which draws on average, 45 million unique viewers a month, and you might not. They have grown from a category, into a spin off, into a major Internet video force and they show that when you build it right, as in really, really right, they will come, and continue to come for months and years.

Justin.tv Offers Live Streaming Video iPhone App

Perhaps they're trying to shake that reputation of being a place to find illegal sports and television streams or perhaps they really just want to cater to iPho...