our loving cellphones

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I read a very nice article, saying that asians have developed a virtual keyboard, a kind of ray that displays an image similar to keyboard, on the place the mobile is put. Advanced technology often go beyond what I could've ever imagined a few years ago, that may exist or that I could afford it. What do think about that, What would be more need in addition to a cellphone. Personally, I would like that the screen would be like a perfect mirror, so easy to use, not to be forced to get the one from my purse when needed. What other improvements will came to our cellphone?