Making money online through Adsense and other ad networks

a young blogger reviewed both Google AdSense and Yahoo Publisher Network. Here's what Troy of Jakowenko has to say:

If you’re lucky enough to get into YPN, then I would run their ads on your site. While YPN’s ads might not be as relevant, you will earn more initially than with Adsense. As you can see from my skewed results, I earned a more than half of what I earned with Adsense while using YPN even though I had over 1,200 less clicks.

Once YPN comes out of beta, their eCPM is likely to drop which will probably make Adsense a better choice. I continue to run both on a variety of sites just because I like how much I earn with YPN, but I sometimes see better results with Adsense due to their more relevant ads. By comparing their CTR you can see that Adsense out performs YPN by a long shot. - Jakowenko

Now if only YPN would offer its services to more countries, right?