Doubts about adsense...

@lexx87 (1707)
Mexico
April 16, 2010 8:30am CST
I was checking some sites who has adsense and they are promoting ptc sites but when you are signing up in adsense , they say it is not allowed to promote sites for click . Aren't they cancel these all sites ? Or all people are promoting ptc sites and adsense don't have problems with Adsense.
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