> * Heads up for desktops, head down for smart phones .. avoid early neck problems.

> * No one got run over at a cross walk looking at their desktop.

In all the discussions about these bans and the effects of phones and social media on kids, I've never once seen physical health brought up (at least directly) :P

Fair points, but not exactly what I think concerns people like GP :P

> it's all very subjective and varies family to family.

Whoa get out of here that's far too nuanced for this topic.