[Mears]

Their general posture,especially the necks,will probably pay a big price down the line.

.

[GnuThere]

It already has a name: text neck.

[caww]

It's just not a good idea to catch a call when there's a guest at the table with you....

[jonsie]

Not only that, they will have arthritic thumbs by the time they are 40.