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→Bibliography
Ashlee Vance [http://www.businessweek.com/magazine/content/11_26/b4234043549730.htm "Haptics Adds New Dimensions to Touchscreens"]
Immersion Corporation [http://immersion.org/docs/Haptics_Improving-Mobile-UE_jun10v2.pdf "Improving haptics in mobile"]
=Research Notes=
