(L-R) Twitter's Chairman Jack Dorsey, Bebo founder Michael Birch, Skype co-founder Niklas Zennstrom and Jolitics, Youtube co-founder & CEO Chad Hurley, and Divyank Turakhia, co founder and President of Direct, attend a photocall in the Westbury Hotel to mark the opening of founders in Dublin October 28, 2010. REUTERS/Cathal McNaughton (IRELAND - Tags: SCI TECH BUSINESS)