London is one of the top three cities in the world to find investment for an online media startup, reckons Saul Klein of the town’s renowned VC house Index Ventures, which has financed the likes of Last.fm, Joost and Skype. Klein, who remains an adviser to the eBay-owned VoIP outfit, told paidContent:UK London was up there with San Francisco and, in some respects, up there or possibly even ahead of Boston: “You don