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

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

If you laugh a lot, when you get older your wrinkles will be in the right places.

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

If I ever thought I wasn't the right guy for the job, I'd be the first person to fire myself.

Hire great people and give them freedom to be awesome.

We can't be afraid to be weird.