Apple has started to air its latest TV advertisement for the third-generation iPad. Entitled “Do It All”, the add focuses on a number of tasks that can be completed using the device. “Send a note. Stay informed. Catch a show. Make your point,” the narrator states. “Make a memory. Make a masterpiece. Read something. Watch something. And learn something. Do it all more beautifully, with the Retina Display, on iPad.”…