Increasingly regularly currently it is observed that services becomes the most popular field of each economy, being responsible for generating substantially more than a half of the GDP of countries, which are recognized as well-developed economies. It is proved by the fact that the speed of changes these days becomes improvingly intensive, and, thus, the information has become the most crucial good on the market.

Contemporarily we live in such times, in which the competition has sometimes become quite high. That’s the reason why, in order to remain on various markets we frequently have to step up our efforts and inter alia improve our competitiveness inter alia due to either decreasing the costs or maximizing the advantages.