In my opinion, the phenomenon of social networks such as, for example., Fb, nk, and Twitter, lies in the fact that it is possible ftor themalk todnajdywać your friends, talk to them and share photos and movies. However, in my opinion, if there were not these social networking sites, people, and especially teenagers, would often meet would in the real world with friends, or talking on the phone as a last resort. Therey zanikłwould bye writing postcards and letters. It is a pity, however, that this happened, because in a few years may becsome a thing might happen tof the person with whom we wrotalked on fb, and therwe's nwon't known if at all since she was on the other side. And if we wrote this individual letters after her death would pamiątkę-, we would be hable to hold cards with sentences written by hand by that person.