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Google AdWords has a "card" on the new AdWords interface named "searches card" that aims at showing advertisers rising search trends. Specifically you can see which words your customers are using to search for you on Google.com, and refine your keywords for better performance, Google said.
The feature is at least a month old, could be older, but I never saw it before and Google just promoted it on both Google+ and Twitter.
This is what the card can look like:
These searches card are available on the overview page in the new Google AdWords user interface, after you click on a search ad campaign. More details are in this help document.
