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Chris Smith spotted one of those ongoing Google AdWords user interface tests on mobile. This one shows the ad with a local extension ad format test. On the left of the ad extension box are three links stacked on top of each other and then on the right is a reviews box.
Here is the picture posted on Twitter:
Ginny Marvin covered a similar test a few months ago and posted about it on Search Engine Land.
So maybe Google is stepping up this test?
Forum discussion at Twitter.
