According to me best way to build back links from social networking sites: 1. Create a business profile with original content 2. Daily posting in social networking sites about your business. 3. Join...
I find it very useful for keeping in touch with friends from all over the world. It is also a very helpful toll for finding distant relatives and old friends.
I'd say yes because people are putting their videos on there sometimes with a comment, sometimes with a message within the video, many times with a story to tell. They are definitely networking...