* Mark Cuban: What business is Wall Street in?
* Vivek Wadwha: Is an MBA a plus or minus in the startup world?
* Greg Gretsch: Why venture capitalists rarely say “no”
* Ferris Bueller’s Day Off plays out on Twitter and FourSquare
* Tweet of the Day: @howardlindzon Heard Nick Denton speak @betaworks last week and forgetting what you think of him, he just gets web, traffic and mean
* Is it better to invest in private equity or REITs: