37signals is “a privately-held Chicago-based company committed to building the best web-based software products possible with the least number of features necessary. “

They wrote a book called “Getting Real” where they share tons of pragmatic advices on how to build a successful web product. From idea inception all the way to launch and post-launch, passing through all aspects.

It’s a must read for any web application PM.

And you can read it free online!

http://gettingreal.37signals.com