other new websites, social community websites came up using these new possibilities. By now, social communities like Facebook or studiVZ have millions of members. The huge acceptance on users¿ side made those websites a real trend in web 2.0. The huge number of users makes social communities to an interesting business. Experts say that social communities are not only a trend, but also an important business in future. Although there are already some established companies acting on the market for social communities, the market will see a lot of new social communities in the next years. There are only a few general social communities dividing up the market. And there are enough topics which are not occupied as yet. Only those social communities will beat the competition and will remain, which are able to generate revenue and profit.