Pulling up that screen from the newly announced Surface Book and revealing that it also could be used as a tablet was exactly the type of "one more thing" that great tech keynotes are supposed to have. Great stuff on the Microsoft Windows 10 Devices event today, from MS Band 2 to Hololens to Lumia 950 to Surface Pro 4... and finally this. #windows10devices   #onemorething   #SurfaceBook  
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