Google has launched dynamic structured snippets for AdWords. The automated extensions will display industry specific, structured information about products and services on advertisers’ websites.
The information that appears for your ad’s snippets shows the categories of content found on your site. At launch, they can show for retail, hotel and flight searches. Late this year, additional verticals are planned to be added too.
Google says that this extension will show automatically on eligible ads when the page has a matching category for a search. The snippets can display additional details about the content found on the landing page for the ad, like specific brands or subcategories.
If Google finds that other extensions perform better than structured snippets, they will be preferred to appear with your ad instead. Some dynamic structured snippets performance data will be available from the automated extensions report from the Ad extensions tab.
If advertisers wish to opt out of dynamic structured snippet, they can fill out a form, but Google emphasizes that automated extensions are a factor in Ad Rank.Google Rolls Out AdWords Dynamic Structured Snippets!,