I'm speaking from remembering things I read over the past few decades on Usenet (yes, that far back) and on blogs. I'd be amazed if any of this is still online.
Going back even further than that, however, James Burke's Connections warned of the risks of weaponized data mining in 1978, decades before Facebook commercialized the use of data mining to sell behavior modification as a service.
Dystopian futures aren't hard to predict. The hard part is getting enough people to listen to the predictions to prevent them from coming to fruition.