There was no shortage of stunned faces in the audience when Nokia CEO Stephen Elop announced the 808 PureView at Mobile World Congress 17 months ago. Who would have thought a Symbian-powered device would be a show-stealer -- in 2012? After all, Elop had all but declared the platform dead one year before, and the idea of a smartphone with a 41-megapixel camera was an industry first. Questions lingered immediately after: how is that actually going to work on a phone? Wh