NEXT GENERATION SMART PHONE HAVE PHYSICAL BUTTON

Every one started browse on next generation  smart phones but search find is nothing a company called Tactus Technology announced the first official demonstration to public .Introducing the  new technology called Microfluidics.This  new technology will switch to next generation.Next generation haptic  user interface with real physical button..When we Touch the phone on thin layer suddenly a thin layer appear u feel button u can use up down or scroll

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TACTUS TECHNOLOGY QUOTE ON THEIR WALL THAT
               TACTUS said   The Tactus Tactile Layer panel is the world's first deformable tactile surface that creates dynamic physical buttons that users can actually see and feel in advance of entering data into the device. Tactus uses innovative microfluidic technology to create physical buttons that rise from the touchscreen to give users the experience of operating a physical keyboard. When no longer needed, the buttons recede back into the touchscreen, leaving no trace of their presence.

                                                            (CREDIT VIA)