I started using Twitter daily a year ago and now I follow about 600 deep learning researchers. It is more lively than /r/machinelearning. I quite enjoy occasionally being able to chat with top guys in the field, especially that they are so busy.

Pro tip: when a Trump article comes, select "I don't like this tweet" from the side menu, and after a few such actions applied here and there, your feed is going to feel clean.