Ninety-percent of Silicon Valley's start-ups fail not because of faulty product, but because they don't tap the right market and they don't know their customer. Well-seasoned serial entrepreneur Steve Blank drafts a new model for plotting the path between good idea and market success.

If you're even tangentially interested in startups, it is vital that you listen to everything Steve Blank says.

Stanford's Entrepreneurship Corner: Steve Blank, Serial Entrepreneur - Retooling Early Stage Development