Adsense is actually a really great program for those who maintain blogs, as blogs get updated all the time and the Adsense possibilities are almost limitless. 20 percent of customers have the potential to spend five times as much as they do currently A relatively small amount of marketing effort creates the majority of output. And then on March 20, the world's largest paid private blog network - BMR - announced that its vast network had been almost entirely de-indexed by Google, causing chaos in the internet marketing industries.