how does an affiliate program works?

Philippines
January 5, 2010 7:45pm CST
hello,. I want to know how affiliate program works,. I have been in internet business for about a month now,. but I am only cahout out 5-10 USD,. I have seen payment proofs of cashout reaching even 100 usd,. they say it is an affiliate program,. and I dunno what kind of program is that and how to earn using those kinds of program :)
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