The culture at Valve is pretty much crowdsourced. The handbook is a wiki. One of the first things we say to new hires is, 'You have to change something in the handbook.'

One of the things that's important about family is the narrative history they create for themselves.

I remember back in the early days of Microsoft that from the day that you decided that you were just going to put out an ad to a customer - and all you were usually able to tell them was that a new product was available - it was about nine months before you could actually reach the first customer.

When you work as hard as you can and as much as you can to make your first album, and you don't make any money, then you change things.

To people who traditionally charge $10,000 for a 3D animating app, we say you should be free-to-play and generate a revenue stream. Think of a 3D modeling package almost like an RPG.

In order for innovation to happen, a bunch of things that aren't happening on closed platforms need to occur. Valve wouldn't exist today without the PC, or Epic, or Zynga, or Google. They all wouldn't have existed without the openness of the platform.