If you have a great business, if you're great at your craft people should be coming in there. It shouldn't be this secret.

One thing I've come to learn about myself is that I have to keep going.

Local commerce, without question, will be one of the fundamental use cases enabled by mobile devices over the next several years.

I think if there's any difference between me and a traditional CEO, it's that I've been unwilling to change myself or shape my personality around what's expected.

I never thought of myself as an entrepreneur before I started this. I just like to build things.

I think the big thing about Groupon is just people had never seen anything grow quite so fast.

Most of the time, the things that really change the world exist for something fundamentally selfish and then the world-changing ends up being a side-effect of that.