If you see all the big amount cheques, they are from 2005 to 2007. I believe it becoming harder and harder. Most of the techy guys, don't click text ads. And it's hard to find number of novice people to fool around with "selling easy ways for making money".
I found a huge number of self declared internet millionaires just tell lie to sell their cheap ebook. ... just two days back one of DP millionaire got red handed -
DigitalPoint member caught Adsense Scam : No easy money tricks