I think it's useful to see and read this story. It goes in to how tough a real pivot can be. Twitter grew out of Odeo, but the process by which it happened was

I think it's useful to see and read this story. It goes in to how tough a real pivot can be. Twitter grew out of Odeo, but the process by which it happened was a complicated mess. I'm glad that Noah Glass is finally getting included in the story.