Reddit, lobsters, some of the HN clones also get a bit of traffic so I might aggregate them somehow.<p>I like reddit because you join the ones that gel with your tolerance of sillyness. I like a bit of humour but not a chain of 100 replies to a fart joke.
One that I'm working on myself and too afraid to post publicly. The people on this site are not my target audience either.<p>ps. There's no one on it but me.
Probably one of my own communities. Hell, maybe I'd set up that universe's equivalent of Hacker News or something, rather than it being a Ycombinator project.