Cuban is the very definition of a one hit wonder. In the dotcom era, he sold a bullshit company at a bullshit price for bullshit stock in another bullshit company. He realized it was all bullshit and hedged his winnings. In the meanwhile yahoo took a multi-billion dollar write down on the acquisition. it compares nothing to what bill gates, zuckerberg and other tech titans have created, evolved and nurtured.