
Sounds familiar
Wax on, wax off.
How would you like a phone that gives you gesture recognition - without needing to buy a new phone? That's the tantalising prospect offered by a project at the University of Washington (UoW), which uses the existing Wi-Fi capabilities of consumer-grade devices (laptops were used for the research paper) to work out peoples' …
Regardless of what the "standard" usage is supposed to be, many people (now) do not read "him" as applying to both sexes, but only (ever) as applying to men. A simple "as the human moves their arm" would suffice to be a neutral phrase, although personalising the example(s) to some person in particular "as Mike moves his arm" or "as Michelle moves her arm" would also be fine, imo.
Who's going to be the first one to write an interactive game of pong for two players using wi-fi gestures only?
(The spawn of satan because it will be yet another useless game that will take up oodles of people's time and will probably make a fortune if you could figure out how to sell in game items... :-P )