Microsoft Bing has recently added three notations to its search results pages that show price history, available coupons and ethical choice ratings. Price history. Bing shows a graph showing whether a product price has increased, decreased or is stable. It highlights the high, median and low prices. Here’s what it looks like: Microsoft Bing’s Price history annotation This annotation is available in the U.S., Canada, France, Germany, Great Britain, Australia and India. Available coupons. Bing shows searchers directly in the search results when coupons are available […]