Our problem wasn’t that it blew up and was impossible to scale, but there were some bad choices made. One of the biggest lessons time after time was to focus. Do fewer things.

User experience is everything. It always has been, but it's undervalued and underinvested in. If you don't know user-centered design, study it. Hire people who know it. Obsess over it. Live and breathe it. Get your whole company on board.

I suspect there's a lot of validity to the premise that big companies aren't going to attract entrepreneurial talent.

News in general doesn't matter most of the time, and most people would be far better off if they spent their time consuming less news and more ideas that have more lasting import.

The vast majority of things are distractions, and very few really matter to your success.

When I meet with the founders of a new company, my advice is almost always, ‘Do fewer things.’ It’s true of partnerships, marketing opportunities, anything that’s taking up your time. The vast majority of things are distractions, and very few really matter to your success.

Change the world. Build a business. Have fun.