Don't Be Afraid To Change The Model.

When There's An Ache, You Want To Be Like Aspirin, Not Vitamins. Aspirin Solves A Very Particular Problem Someone Has, Whereas Vitamins Are A General "nice To Have" Market.

When We Think About Online Learning, It's Such 'early Days.' Bill Gates Is A Wildly Smart Insightful Guy. Yet, Even A Guy As Smart And Insightful As That, 30 Years Ago Can Say Things Like,'who's Every Going To Need More Than 640k Of Memory?'

Stone Age. Bronze Age. Iron Age. We Define Entire Epics Of Humanity By The Technology They Use.

I've Worked Very Hard, But My Life's Always Been Fun.

Something Will Eventually Replace The Internet. But It's Hard To Know What And When It Will Happen.