They use this kind of medium to get information about all kinds topics. Maybe some of them are interested in chatting, probably they are members of a community. Whatever you are looking for, you will find it. Even if you want to have very specific information, you will find it in a short time. Normally, you often have to send a letter, than you have to wait for the reception of the reply, or you have to make some telephone calls and so on. In any case, the traditional way is the longer one. To put your own information on the Internet is also possible. Create your own homepage, tell other users about your interests, what you want, that’s no problem at all.