Absolutely this. But the final form of this requires some input from the reader – front camera access and retina scanning presumably. It may evolve, without proper curtailing, (unidentifiable ads aside) to be a pretty powerful tool of motivation / pacification / manipulation.
>Eventually the content produced for particular readers will only be roughly literate, let alone clever or stylish.
Don't know about this, I have slightly more faith in people's ability of appreciation. Though I could be embarrassingly wrong.
I feel (a little hyperbolic allowances, if you will) it's in the books for an Infinite Jest type of entertainment to arise, be it in kindle or netflix form. That is, a piece of entertainment so excruciatingly entertaining, that people will literally and completely drop whatever it is they were doing before (or, you know, just miss a week of work for the sake of the most intimate and powerful writing they've ever experienced) and bask in the glories of their own personal god revealing truths of the universe to them.