Stanford's Entrepreneurship Corner:Top 5 Hottest Videos

David Heineimeier Hansson, the creator of Ruby on Rails and partner at 37signals in Chicago, says that planning is guessing, and for a start-up, the focus must be on today and not on tomorrow. He argues that constraints--fiscal, temporal, or otherwise--drive innovation and effective problem-solving. The most important thing, Hansson believes, is to make a dent in the universe with your company. 

Guy Kawasaki, founder and Managing Director of Garage Technology Ventures, believes that those companies who set out to make a positive change in the world are the companies that will ultimately be the most successful. He gives examples of the best way to make meaning: increase quality of life, right a wrong, and prevent the end of something good.