The old data focused FknMayhem, he who worked in the agency, would have a blast with the Steem blockchain. Or he who led the development of a search engine (and launched it publicly as a recipe search engine).
Add to what people upvote the ability to track how much time people spend reading (and how far do they scroll in the article) for each tag etc. all possibilities not that difficult to develop within a mobile app and huge datasets. It would even allow you to identify what is a real vote vs a sold/autovote/sympathy vote due to time spent on article.
These are data goldmines.