Although some have a button symbol is for the blind, so difficult to use. Because they use something else to do. The more we discover, the more smart phone systems cannot use the dai, so if in the future there is a mobile phone for the blind up really nice, very useful, for example, the idea of this phone. Electric Active Plastic technology (EAP) can be displayed on the machine are plastic baren. When messages arrive, you can read just the touch disabled them.
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