To be frank, it all depends on how much effort you have put into it and your attitude towards language exchange. If you are really positive about language exchange, online study, you will definitely find out that it is truly useful.
I don't recommend members sit there and wait for others to add them as friends. We can not just sit there and wait for friends to add us. Just take one step forward. AND click start to find your own friends, help those members with questions in Answers. You will see how rewarding those kinds of actions are.