Douglas Adams was right, the world is powered by ideas on the back of a napkin. In fact I wish people would do more of this.

I didn’t know that one of it’s main uses would be to stop the “I can do that in a weekend” point of view. But then estimation, is time and time again (pun not intentional) an issue raised by developers.

Maybe the best way to start a project is in a bistro, with a large supply of napkins and no computers…