140 Characters » How Twitter Was Born
Nice article that doesn't dig too deep but gives a good overview of how Twitter came to be.
I'm one of the people behind Plancast.com. Our goal is to make it easy for you to share your plans. Maybe you read about us on Techcrunch or ReadWriteWeb?
My Plans: Plancast.com
My Notes: Noopsi.com
My Tweets: Twitter.com
My Code: Github.com