http://sablades72sb4jaqd3lyr6a3wadwqhi6ug3q3h7zma5gy3obp4hznwqd.onion/recs/evil_social_media.html
The informational rewards it would pipe into their attentional world could be anything, from cute cat photos to tidbits of news that outrage you (because outrage can, after all, be a reward too). To boost its effectiveness, you could endow the iTrainer with rich systems of intelligence and automation so it could adapt to users' behaviors, contexts, and individual quirks in order to get them to spend as much time and attention with it as possible.