> can be attributed to more unhealthy diet and less walking, which is on the flip side due to US's economic success - affordance for more food and richer food, as well as affordance for car as transportation.
people in the US aren't driving because they can afford cars - they have to drive because they don't have any other viable options due to the way american cities are designed
TCL produced Blackberry-branded devices for a few years, but they stopped a few years ago. Blackberry is still an independent company doing other things (mostly in the enterprise security space I think)