A good read, thanks! This technique largely inspired a project we did for school this year, a subreddit recommender system with an RNN learning an embedding space for subreddits. I've just finished up exams and am starting work on getting a minimal webapp up for people to play with, but links to the final report and an interactive bokeh plot of the final embedding can be found here: http://cole-maclean.github.io/blog/RNN-Based-Subreddit-Recom...