What are other way to make extra income online?

Philippines
December 4, 2010 6:21am CST
As of now I am making extra income online through PTC and forum site like this mylot and tdd, but I am still thinking if there are some more that will give me an extra income but I don't know what are the other way, can you share me what are the other way? Please don't share your referral links here because it is not allowed to share your referral links.
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