Creativity comes from constraint.
A personal belief is that if you're not personally invested in what you're working on, you'll fail.
A Twitter update is simple and fast and gets the information and news, and it spreads it very quickly, and it can contain links so you can then link to this whole context of information.
We did Twitter, and Twitter grew so fast, and in 2006 we spun it out into Twitter, Inc.
Inventing your dream is the first and biggest step toward making it come true.
I started out as an artist, and I continue to think of myself as an artist first, and a technologist and entrepreneur after that.