Who would you talk to? That is the first question for almost any startup that you need to answer. Who is my user and where am I going to find them?

Recording interviews is like magic. a) It stops you from taking notes in the middle and b) you can play that recording for people.

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.

If you just talk to who's easy to talk to, you're not really getting the best data.

The other mistake I think people make is talking to who's available rather than talking to who they need to talk to.

People don't like silence, so they'll keep talking to fill the void.