Agreed, what it made me really stop and question is why we DON'T do this with smartphones already and it's because there is no fixed base relative to which we c

Agreed, what it made me really stop and question is why we DON'T do this with smartphones already and it's because there is no fixed base relative to which we can twist/nudge the screen (as well as a smartphone being too big to be properly grasp-able on all sides for these kind of motions). Also, it's no coincidence that this and the MSFT keyboard are in the news now, as CHI 2014 (the big Human-Computer Interaction conference) is ongoing now in Toronto: http://chi2014.acm.org http://chi2014.acm.org