If the Martians took over eBay it would take 6 months for the world to notice.

As the company scales, everybody is not going to get invited to every single meeting, but they're gonna want to go to every meeting.

Delegate completely. Let people make mistakes and learn.

Most people will solve the problems they know how to solve. Roughly speaking they will solve B+ problems instead of A+ problems. A+ problems are high impact problems for your company but they're difficult problems.

There are three things you need to do as a CEO-founder. Think strategically, drive design, and drive technology. Some people who are really good at one can build a pretty foundational company. Most people who are very successful are good at two. But Jack is the only person in the Valley I've met who's all three. He's a first-rate strategist, a first-rate designer, and a first-rate technologist.

Most people, most great people even are ammunition. But what you need in your company are barrels. You can only shoot through the number of unique barrels you have, so that's how the velocity of your company improves... is by adding barrels, and then you stock them with ammunition and then you can do a lot.

Possibly the most important thing you do is actually edit the team.