Can someone explain this site to me?

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I am use to the paid to click sites but this one is different. I do not understand the purpose of it except for me to get paid. But how do they get paid and for what do they get paid and who pays them? Can someone check it out for me and help me understand this site? I would appreciate. Here is my link but I am not asking you to sign up. I just came across this myself and I did sign up but I dont' understand the site. Why the heck do I want to promote this site. I have no clue. Can someone please explain it to me. I know I know, I sound like an idiot and basicly I am when it comes to the net. I am blindly going along with the flow as much as I can. Thank you in advance for you help. http://www.777seo.com/seo.php?username=Lou