I used to snowboard 30 days a year. Now its down to eight.
Building a product is easy. But building the company that builds the product is hard.
Don't let people tell you your ideas won't work.
One of the biggest hurdles about Foursquare is you need to remember to use it.
People can copy what you've done, but they can't copy what you still want to do.
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.