Which is the best social network that really improve social relations?

None, all that's currently in the market today are bad for interpersonal relationships. Such instance, when you and your friends are in a gathering all are using hand phones chatting while they can talk in person.

Facebook is very famous and being used to improve the  social relations network.

In my opinion its Facebook.

I would rank some of the popular social networking sites as follows:

1. Facebook

2. Twitter

3. Instagram

4. LinkedIn

5. Pinterest

6. Google Plus+

7. Tumblr

8. Flickr

9. Vine

. Tagged

1) LinkedIn is very famous  to improve the professional relationships

2) Bayt.

Facebook  is good for social relations .