“The WiFi Revolt!” screamed a 2006 headline on the cover story of a Silicon Valley magazine, “Google plus Skype team up with radical start-up to overturn the telecom industry.” The story was about Fon, a Madrid-based start-up that offers a global WiFi sharing service created by serial entrepreneur Martin Varsavsky. Times have changed.  Varsavsky, once feared as a foe, is thriving by positioning himself as the operators’ new best friend.Read more