This bachelor thesis concerns the problematic of social networks and their usage for marketing purposes. In theoretical part there are described tools of the most famous social site -- Facebook, that are usable for marketing purposes, as well as its advantages and disadvantages. In practical part there is analysed outdoor segment and suitable usage of social networks as Facebook. Furthermore analysis of electivity and current usefulness is done. In last practical part there are suggested and realized suitable Facebook tools, that company NorthFinder will use for marketing purposes as well as for feedback from users. Analysis of Facebook outputs is also done including the possible usage of these data for future developmen