The things that keep nagging at you are the ones worth exploring.

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.

The things that keep nagging at you are the ones worth exploring.

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.

Take care of yourself: When you don't sleep, eat crap, don't exercise, and are living off adrenaline for too long, your performance suffers. Your decisions suffer. Your company suffers. Love those close to you: Failure of your company is not failure in life. Failure in your relationship is.

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.

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