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.

If dandelions were hard to grow, they would be most welcome on any lawn.

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

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.

When you think of couponing, you picture a mom cutting coupons out of the back of the newspaper.

One of the challenges of innovation is figuring out how to wipe your mind clean about what you should be doing at any given moment, and not having a religious attachment to what's gotten you there thus far.

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.