[publius911]

Well, my students who have iPads and tablets read more books. They find it very convenient to do their writing assignments and email them to me.

It makes self delusion a lot easier, too.
One enterprising smart ass can make money hand over fist preparing writing assignment for others, that you have no way of knowing the difference between author and sender.

[Jemian]

They have such individual writing styles that with my small class of 11, I can tell.