Knowing when to fold

So you've quit your corporate job and have decided to get out and start your own company. What do you do? Start your own company. This has long been a dream of mine but I have no reason to leave the job I enjoy right now. But if you are so inclined to start your own company here is a video of Guy Kawasaki, one of the best tech gurus ever and presenter of the last Youtube video I posted, on the Art of the Start.