all search engines make use of a variety of signals. Bing decided to use what users click on as a signal. Google spotted it and thought it was 'zomg bing are st

all search engines make use of a variety of signals. Bing decided to use what users click on as a signal. Google spotted it and thought it was 'zomg bing are stealing our results'. I don't understand why you think taking advantage of a new signal to improve search is not a smart move by Bing?