well i know most of the sponsors im using since ages. or alteast the sales manager there. some small talk by time to time. so all is quite cool. and even if they know that im CS they will tolerate it.
so social engeneering is one of the most important parts of cookie stuffing if you want to be successfull
I didn't say I was doing cookie stuffing, but your right, keeping in touch with aff mangers is good idea, regardless.