Doing startups is all about making mistakes.
Creativity is an infinitely renewable resource - you are not going to run out of it - so don't be afraid to use it.
I'm curious about writing in the age of online publishing. Because nobody cares about good writing online.
I've seen people twitter in haiku only.
We did Twitter, and Twitter grew so fast, and in 2006 we spun it out into Twitter, Inc.
I don't think of Twitter as a social network. I think of it as a messaging system that has a lot of social components to it.