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.

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.

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.

Flowers are a proud assertion that a ray of beauty out values all the utilities of the world. If dandelions were hard to grow, they would be most welcome on any lawn.