Mob Rule! How Users Took Over Twitter by Steven Levy
It’s easy to write off Twitter as a happy accident, a right-place, right-time fluke. But that misses the point. When Twitter’s creators designed the service, they made a series of crucial and deliberate decisions — ones that seem brilliant in retrospect — that created the conditions that allow users to innovate.
What Startups Are Really Like by Paul Graham
9. Engage Users
Product development is a conversation with the user that doesn't really start till you launch. Before you launch, you're like a police artist before he's shown the first version of his sketch to the witness.
It's so important to launch fast that it may be better to think of your initial version not as a product, but as a trick for getting users to start talking to you.