Marketing by a variety of clients is believed to be a very crucial issue in contemporary business. It is so, because contemporarily there is quite difficult rivalry on the most of markets, which indicates that in order to become substantially more likely to earn at least good profits on our market, we have to be really creative. For example thanks to the help of interactive agency Poland we can improve the popularity of our make and have a decent influence on its creation. It is so, because nowadays for instance social media face increasing interest from people all over the world, which can be observed on the example of Facebook.