LinkedIn. Needed to find a job in my domain. Also people often talk about their posts. It makes people really happy when I like a post they talked about to me. When I don’t have a job daily.
Tweeter for some very specific events. Something like two weeks a year
Hacker news when I do not have anything to do at work. I say to myself that it is to stay up to date and sometimes I can find nice blogs. I would say something like once a month.
What’s wrong with trustcafe?