How much does it take to convince Symbian users their OS is doomed? Just the one slide you see above. Now it seems Nokia CEO Stephen Elop is attempting damage control. In an interview with Nokia Conversations, Elop attempted to placate his shareholders and customers by stating that the OS's last update will take place somewhere around 2016 at the earliest. He isn't switching the focus away from Windows Phone as his company's bright new future, but he does want to assuage folks w