AdSense will add shopping links to the content of your eligible pages. Shopping links provide end users with relevant options to buy from. The links take users to shopping ads and may help increase your earnings.
How will this monetize?
You'll get paid if users click the shopping links and click any of the ads displayed.
This lab will:
Automatically place shopping links on eligible pages on your site(s) for a percentage of users.
Continue showing your existing ads for all users.