Andy Roberts recently posted an excellent comment on his blog about how not to use online communities. It's well worth a read. His point is that you can't just pop into a community and use it like a noticeboard, once - especially not for what is essentially an advert. ("You'll all be interested in this training course/product/service ...") Online communities, networks or communities of practice are collections of people with similar interests and/or concerns, and they are very useful as a way of spreading the word and establishing your online identity. But to make a impression you must be part of the community, not just trying to take advantage of it. Do: