Google has informed via Google+ page about implementing of a new Adwords format for ad snippets named dynamic structured snippets. This text will be automatically showed with your search ads. There will be displayed industry-specific, structured information about your products and services.

Here is how it looks:

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This automatic extensions is also playing a big impact on Ad Rank. It means that only trusted advertisers will have this option for now. They show for retail, hotel, and flight searches, with additional verticals to follow later this year.

You may find more info about dynamic structured snippets into Adwords at Google+.