Now a days a lot of sites attached with Google via adsense. Adsense market up day by day and billions of peoples are agree with google and working on it.
We have many customer whose attache with adsense and working on it and earn a lot day by day. They provide free services on site and some other peoples published make money article and books and selling on it and also giving tips of adsense that how to promote your site in afdsense.