Adsense is the best revenue income program running online but as others only a small group get enought from it ,i love signature campaings that allow anyone to make a good income without need others and rules to make money.
Adsense is actually good, I am just starting to make income from adsense. Once you have setup a website with incoming traffic ( SEO,keywords search) adsense income piles up like a pension, you dont have to do anything.Just make sure you get enough traffic.