Creating communities of bloggers

At a point about midway through our course in e-culture we discussed the way the most successful initiatives in internet applications create communities of value, the most extreme example being pointed out here by Louk, Entropia, where a community created an artificial value to a non-existent island.
And at some point, hard to say exactly when, our group of student bloggers became a community of bloggers. The ubiquitous presence of electronic cameras made entries like the this inevitable. Now if we could only retouch photos in realtime.