Bing Ads is showing review service, viewpoint, and consumer rating annotations in text ads. As Google is utilizing survey rating in AdWords; Bing Ads is also using grade performance features like customer service, rating, return policies, reviews, price and selection. Though, the testing is still in the initial stage but will definitely help the customers in selecting the best products from the Ads.
Bing is also testing to show Twitter follower count in Ads. Microsoft is constantly experimenting with different annotations including the number of displayed combination in order to deliver the most preferred Ads and values to the customers. Yes, in some cases it is showing more annotation in the Ads.
The test in Bing and Twitter are in the initial stage and need to be developed further for the better result. Let us wait and see the result of the test.