There are millions upon millions of existing websites, and sometimes it is not easy to find the sites that are the most useful. In my opinion, the best way to do it is to visit the most popular websites in the world. That is because those sites that are very popular, also have to be useful. Probably the most popular are search engines and emails services; however, I would like to list other type of sites this time. Here is a short list of such sites:
-Facebook is an awesome site that allows users to interact with other people. You can create your profile, interact with other users etc. Internet is a great place to meet other people, and to hang out with those whom you already know. Facebook has a lot of neat features, which make visiting this site worthwhile.
-Wikipedia is the online encyclopedia and what makes it so great is that anyone can edit its contents. This way there can be a lot of useful information accumulated very easily. While it certainly is not perfect, it is the largest encyclopedia of this type that allows users to meet new friends. It has some similarities with Facebook, but it is slightly different.
There are thousands of interesting websites on the Internet, and I am sure you will not have problems finding one that will be useful to you.