Here's what I'm subscribed to (don't read too much into some of these choices, i.e. /r/conspiracy):<p>/r/artificial, /r/cambodia, /r/cellular_automata, /r/ClassicMetal, /r/compling, /r/compsci, /r/conspiracy, /r/crypto, /r/dailyprogrammer, /r/devops, /r/django, /r/EndlessWar, /r/Entrepreneur, /r/futurebeats, /r/iamverysmart, /r/LanguageTechnology, /r/linguistics, /r/MachineLearning, /r/mathrock, /r/musictheory, /r/noip, /r/noiserock, /r/opensource, /r/programming, /r/programminghorror, /r/Python, /r/redditdev, /r/startup, /r/Vaporwave, /r/web_design, /r/webdev, /r/whatstheword, /r/wikipedia<p>Mostly music and technology. I also periodically block reddit in my hosts file.