Love using #AugmentedRealityApps ? Well if you do, you are in for a treat with iTagged Mobile App for iPhone. iTagged is a social discovery App that enables its users to create, share & follow augmented Tags. https://itunes.apple.com/us/app/itagged/id426413024 Check out this #AugmentedReality Tag. Awesome isn't it?
London Streetmuseum app: Not really a social medium but a brilliant example for digital storytelling. With the StreetMuseum iPhone app from the Museum of London you can look at historical views of the city while you walk through London.