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→Bibliography
Bragg, Roy [http://www.chron.com/life/article/Touch-screen-success-could-make-PC-mouse-obsolete-1623293.php "Touch-Screen success would make PC mouse obsolete"]
Ergonomics made easy[http://www.ergonomicsmadeeasy.com/blog/category/ipad/ "Ergonomic Keyboards"]
Nintendo America [http://www.youtube.com/watch?v=4e3qaPg_keg "Nintendo Wii U"]