Google Adsense Referral Ads Unit Ceases By The End Of August 2008

For those who are using Adsense Referral ads unit, it’s time to housekeep blog theme files to remove the entire Adsense Referral units.
Few hours ago, Adsense blog posted a news stated that the Adsense Referral ads unit will be retired by the end of August 2008.

Alternative Ads Units to replace Adsense Referral ads

AdSense for content ads: If you have less than three AdSense for content ad units on a page, you may wish to replace the referral ad units with standard AdSense for content ad units.
Google Affiliate Network, which is rebranded from the DoubleClick Performics Affiliate Network after the acquisition exercise. Similar to the AdSense Referrals program, the Google Affiliate Network earning is based on advertiser-defined actions instead of clicks or impressions. At this moment, the product is only for advertisers targeting users located in the United States.