For the last couple of years I’ve randomly observed colleagues waving at Frankenstein-looking circuit boards & displays. As with many odd things at Google, I’ve channeled Bob Dylan—”Don’t Think Twice, It’s Alright”—and moved right along.
Now some of the fruits of that labor are coming to light, as the new Nest Hub Max has been announced, complete with the ability to recognize gestures (e.g. to stop music or an alarm) and faces (to show you personalized info like your calendar). Dieter Bohn offers a nice overview here: