Maybe you've heard or read about this system called PPC (pay per click) through Google Adsense. Unlike kumpulblogger that can be installed easily, Google Adsense can not be installed at the Indonesian-language blogs. Ads can be installed on as many blogs you have.
Perhaps the question arises, how much money is in the can?
It's not very big ... But if our blog has visitors who are crowded, the results were okay able to pay the cost of accessing the Internet or other daily needs.