Just about every person I know has some form of anti-spyware installed on there computers, it's pretty much mandatory these days if you want to keep your computer running.
The first thing these programs do is bring up cookies, 99.9 percent of the population have no idea what these cookies represent so delete them.....hell I do it myself on a weekly basis. I guess the boffins better work on another system.
It's getting harder and harder to make affiliate programs work for you.
I was doing quite well with NCS for a few months, now with even more traffic and a whole lot more clickthroughs being generated my commissions have dropped to almost zero. I am sure the traffic I am sending is still converting but is not being reflected in the reporting.
With these and other issues that are popping up it's enough to give one second thoughts about the whole business
.