Clixten is a typical advertising marketplace where you can watch ads for money or buy packages for exposure. I have been paid once, a pleasant and legit site.
Traffic Monsoon is owned by C.Scoville who has a bad marketing reputation.The results I got from the traffic exchange were awful and the ad packs are suspicious
Buxept ads pay more than their competition and the traffic exchange system gave me awesome results.But I did not got paid , I have 2 open tickets awaiting for reply.
There are different ways to make money online with ySense and definitely it is not a scam network. But there are some things to consider before joining.