This external touch screen can be used as a substitute for your keyboard especially when complicating control is needed.? For designers as PC beginners, graphical guide of external touch screen would be a great help. You can also change this external touch screen into keyboard and make it the way you want it or turn it into a Macbook cover tells you how many new e-mails and RSS feeds you’ve got, time, schedule, new flickr photos of your bookmarked photographer. No need dealing with computer ? Change it as photo/movie stand, randomly pick YouTube movies, etc.