The question is asked so often and answered just as much, but the action is never really taken. Traffic exchanges are simple easy-to-use systems that allow you to get people viewing your website in return for you viewing theirs. But there is a lot of misconception as to whether or not it is "targeted" or "junk-traffic" or if people even buy from using them.
It has come to show that the affiliate mindset has changed quite drastically over the years. We have gone away from the tried and tested true way of doings things to a much more simple way.