Globally local commerce is a $12 to $14 trillion market. If we get 10 percent of that, we'll be very happy.

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

Sainthood emerges when you can listen to someone's tale of woe and not respond with a description of your own.

After four and a half intense and wonderful years as CEO of Groupon, I've decided that I'd like to spend more time with my family. Just kidding - I was fired today.

Once you have something so deeply infused in your culture and your brand, it would be very difficult to reverse that inertia if you wanted to.

Hire great people and give them freedom to be awesome.

Globally local commerce is a $12 to $14 trillion market. If we get 10 percent of that, we'll be very happy.