The job of an editor is to ensure a consistent voice.

Your goal over time is to use less red ink every day.

What you actually want to do with every single employee, every single day is expand the scope of their responsibilities until it breaks.

Transparency people talk a lot about, it's a goal everybody ascribes to but when push comes to shove, very few people actually adhere to it.

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.

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

The way you scale that is you create notes for every meeting and send it to the entire company.