Has anybody used an ad. scheme like this?

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I was reading the Wall Street Journal the other day and I came across an intresting article about these pixel sites on the internet that offer to put your advertisement on a page in order to increase you're traffic. So I thought I would give it a shot. First I went on about how to find the best way to do this. the article in the paper mentioned a few sites www.milliondollarhomepage.com and a few others. I however, did a little bit more digging and found one that was more geared to realtors www.arizonahomepixels.com and bought a small ad for 30 dollars on there website to drive traffic to my own personal company website. I hope this works out. Just sharing my thoughts wanted to see if anybody else is doing it this way.