Originally Posted by Zaskar

I think it simply comes down to... Kids don't ride bikes anymore. In 1970, 1980, 1990.. EVERY kid, whose family was above the poverty line, had bike. Today, EVERY kid has at least one game console. That industry - video games - is doing quite well, coincidentally.

Note to hostile nations seeing our future physical weaknesses: Yes. As a people, Americans will absolutely be a lot fatter and weaker in the coming years. But, and this is important, we will be amazingly adept at flying drones and other unmanned machines from the comfort of climate controlled recliners. ;-)