PayPal once rejected a candidate who aced all the engineering tests because for fun, the guy said that he liked to play hoops. That single sentence lost him the job.

Being an entrepreneur is not about being in love with an idea, it's about being in love with running a company.

Ignore your mistakes. The number one thing to worry about is -Am I doing what I'm good at?

We're becoming slaves to our social networks - and that's not a bad thing. You like your favorite networks, so do you friends, and pretty soon you have market winners.

Media is very different from financial services. People are very fickle and very vocal. They believe that things should be one way and not the other. It's still very rewarding to build products for huge audiences. It feels like you're making an impact.

Having a highly homogeneous background, education, values, preferences, etc, in the very early team is better than not - cuts down on time-wasting arguments.

You can't get married to any one particular plan. That is the biggest lesson I learned at PayPal.