I’m not sure about population size – that’s a good point; certainly larger numbers of people would increase the probability of more participation, so will tech-savviness of the members. There have been some smaller cities in the US that have been able to pull off a good social media site, but often, the less technological-inclined cities don’t seem to be able to sustain it for too long, because the digital divide becomes a factor.

NYC, of course, is probably one of the better-suited cities for such a project for many reasons. But since set-up cost is negligent, it would certainly be worth a shot anywhere!

I believe that this is what is now way overdue for Welsh language web, as well as for

Too much good content is being buried, lost to the rapid movement of web fancy. This kind of community, if you have the mass to do it, can keep good content alive for long enough to get a fair airing. Stuff is more often than not, very badly tagged, and therefore difficult to find. This kind of local/subject gatekeeping can fix this by doing the trawling.

I wonder what the critical mass is for creation and sustainability of a very local site? Can a town of 10,000 hold its own?