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Oh My God There Are Real, Functioning Smartphones That Can Make You Think You're Touching Grass and Rocks

There has been talk of the years of haptics technologies which would allow us to move our hand over a glass touchscreen and be tricked into thinking we were touching a fuzzy material, or some rough surface. But that was all R&D talk. At Mobile World Congress this year, however, AllThingsD found a pair of companies who… » 3/01/12 3:40pm 3/01/12 3:40pm