An Oreo advert capitalised on this Sunday's Superbowl 'blackout' by tweeting a response image within minutes of the power outage in the Superdome in New Orleans, Louisiana. The power was lost mid way during the NFL game between the San Francisco 49ers and the Baltimore Ravens. A tweet featuring an image with the tag line 'you can still dunk in the dark' was 'designed, captioned and approved within minutes', according to a report by AdAge. The message was retweeted 10,000 times in...