Bing team announced a new addition to the list of signals based on which your search results are presented. Adding to the much useful Social signal, the new adaptive search brings you much more relevant results more often. Adaptive search makes use of your past search history while maintaining the privacy of you to bring better results.
From Bing Blog,
How does it work?
Every time you search on Bing, the information provided helps Bing understand what you’re trying to do. The more you search, the more Bing can learn – and use that information to adapt the experience so you can spend less time searching and accomplish what you set out to do.
As an example, let’s say you’re in the process of planning a vacation – you might decide to search for “Australia”. In this case, you’re most likely to be looking for websites specifically about the country Australia, or information about travel. You can see an example of the search “Australia”, for someone who is planning a vacation, below:
Now suppose, instead, you’re a movie-buff and are trying to decide on a movie to rent for the evening. With this context, the smart technology powering this feature will infer that you’re probably looking for the movie “Australia”, and begin to adapt the search page to your intent by showings results relevant to the movie Australia higher up on the page than they were previously:
The differences are generally quite subtle, but the more confidence we have about what your intent is, the more personalized the results will become. We certainly don’t want to make any assumptions that prevent you from seeing a diverse set of results and lock you into a “filter bubble”, so the results that correspond to differing intents (e.g. travel to Australia) will still be available to you on the page.
Bing will roll out this adaptive search feature in coming days. Again its US only.
Find more details here.