http://economist.pb.feedroom.com/pb-comp/economist/custom8/player.swf?Environment=&SiteID=economist&SiteName=TheEconomist&SkinName=showcase&ChannelID=&StoryID=0763861d9c918064a5a9e9a2cefb774692587d0c&Volume=.5

The future of face recognition will see us identifying someone face to face by taking a picture of them, and then connecting directly to their facebook profiles.