The Sony project, presented at the SXSW festival in the United States, is purely conceptual. You do not have time to hit the market and it might not even get to happen. The Surface Hub is a product ready to market, ensures Microsoft, but its launch has been delayed twice and the last delay the company also revealed a number of changes to the original idea.
The differences between two ideas continue and similarities exist only because it can both enhance new ways of working and share information among teams. Moreover, the Surface Hub is a sort of giant tablet and Tabletop is a projector.
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