The increasing availability of tablets and internet access (severely restricted) in our prisons is a good thing, except that the contractors involved are over charging, but I just posted a comment online in response to an ad for a new device which, folded, is a phone, opened up, is a tablet with larger screen and keypad: “Groovy! Now the brain-dead American teenagers can waste their lives more readily wherever they go, watching all kinds of drivel on this new machine, or talking to their friends about NOTHING!   !” 

Numerous studies caution about the damage done by too much “screen time”! See, for example: The Harmful Effects of Too Much Screen Time for Kids