LA CENA DEI POTENTI DI INTERNET OBAMA Schmidt D Levinson T Chambers Doerr Ellison Hastings L Hennessy Bartz Costolo Zuckerberg Obama Jobs Westly Doerr
dick costolo jack dorsey evan williams biz stone
Twitter CEO Dick Costolo Chairman and co founder Jack Dorsey and co founders Evan Williams and Biz Stone left to right applaud as they watch the the New York Stock Exchange opening bell ring on Nov
