The burgeoning world of ebooks
'Socialism', we're told, 'will never work. Everyone's too greedy to work together for the common good.' It's a common argument and we've probably all had it thrown at us numerous times. So it's pleasing that there are a good number of examples of people working collectively to help disprove it.
Aside from the examples of solidarity and struggle that we would all answer this argument with, there are also examples of collective work on the internet that show people doing huge amounts of work for no personal gain, purely in the interests of other internet users.