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Today, Employees in some phone carriers such as AT&T, Verizon, and T-Mobile use Ipads to work with customers through customer services. Also, Apple Inc and Samsung Inc are competing each other to invent several smart things such as a smart TV and a smart watch. They can invent a smart belt and unite it with the hologram technology, so those employees in phone carriers do not need to carry Ipads any time. Instead, they can wear smart belts to serve the customers through 3D screen.
Contributed by Mark Ha