A dirty QWERTY, regional social TV, Facebook postcards and top-Tweeting cities? It must be time for our weekly wrap-up! Social TV UAE based companies Arabi on TV and SkyGrid have collaborated to develop Touch TV – the first free application to watch TV shows on Facebook, according to a report in Gulf News. The app, which works on all major operating systems, is designed to tap into the way people in the region access social networking sites for entertainment.