Mentioning again Neal Stephenson's book "Fall": this was the plot point that resulted in the effective annihilation of the internet within a year. Characters had to subscribe to custom filters and feeds to get anything representing fact out of the internet, and those who exposed themselves raw to the unfiltered feed ended up getting reprogrammed by bizarre and incomprehensible memes.

> getting reprogrammed by bizarre and incomprehensible memes.

I wish that didn't already sound so familiar.