Many R users on Twitter append their tweets with the hashtag #rstats, which makes it easy to find other R users on Twitter. (A hashtag is just an easily-searched sequence of characters beginning with #.) Even if you don’t use Twitter, you can follow the R discussion with this Twitter search.
It’s a practice I’ve only just become aware of, so you won’t find me that way (yet), but I am active on Twitter as user revodavid.
