Most startups are not just built for the person who is using them. When you do that, every now and then you get really lucky and... are representative of some huge class of people who all want the same thing you do... but very often that just turns into a side project that doesn't go anywhere.

A goal of Twitch is to be wherever gamers are, whether its on laptops and handheld devices or integrated into gaming consoles and software.

It's one of the most validating things you can do for a product is go out there and get them to commit to pay you up front.

Given the huge number Xbox owners and how many of them love gaming spectatorship, its a natural fit to bring the Twitch experience to the 360.

The most common mistakes are showing people your product- don't show them your product, it's sort of like telling them bout a feature.

Twitch launched in June of 2011, and our growth ever since has exceeded even my expectations, which were not small. A year and a half later, the community of broadcasters and viewers has multiplied hundreds of percent.

The pool of people you care about is going to shift over time.