Build something that fixes something people are having a problem with, and you're lined up for great things.

Build something that fixes something people are having a problem with, and you're lined up for great things.

I learned early on not to feel badly about reaching out for help, and not to feel embarrassed about saying that you're in over your head.

Don't let people tell you your ideas won't work. If you're passionate about an idea that's stuck in your head, find a way to build it so you can prove to yourself that it doesn't work.

Do what you love and the rest will come.

Building a product is easy. But building the company that builds the product is hard.

I keep a notebook in my pocket, and I write down all the stuff we could ever do with Foursquare.