Adsense Team Helps Make Money

Recently I received a message in my Adsense account with optimization report for October. It said:

Dear Publisher, Here is your optimization report for the month of October. After an automatic review of your sites, we think you might be able to improve your monetization using the following tips: Adsense for Search adds both functionality and revenue to your site.You are not currently using Adsense for Search on your sites.How can I fix this? Referrals can add incremental revenue to your site.You are not currently using Referrals on your sites.How can I fix this?

Although this letter was automatically generated but still this is very nice response from adsense team encouraging to experiment and use more techniques to increase revenue from advertising.

Their referal section is full of good paying products which every blogger should not miss out.