[bsimpson]

Adobe was trying to figure out how to position Flash in the aftermath of the iPhone. I will forever remember one of their concepts was using a variety of devices to share one experience, like your example of a board game that uses different devices for common and private elements.

20y later, it's disappointing that this is still a novelty. I think Nintendo had a tank game for the Switch, but I never got to try it because everyone needed his own copy and a Switch. Jackbox are the only ones I've seen ship something people actually play this way.

Adaptive design still hasn't been capitalized on as well as it ought to be. Everything is so optimized for metrics and commerce, and good design often gets lost in the fray.