I'm a strong advocate for digital privacy and opposed to the majority of data collection that occurs, but this comment is FUD. None of the info that you listed would be private if you used Bing normally, so if you're worried about them having that info you'd need to stop using search engines all together
>So when a search is done, our IP address is send to Bing.
Explain why you believe that's a negative? If you use Bing normally they would know your IP as well
>user agent string
Again, using bing normally will allow them to see this information
>search term
Obviously required to be sent to bing
>some settings like your country and language setting
Again, this is information that would be available to Bing if you use their service normally
>So when a search is done, our IP address is send to Bing.
Explain why you believe that's a negative? If you use Bing normally they would know your IP as well
>user agent string
Again, using bing normally will allow them to see this information
>search term
Obviously required to be sent to bing
>some settings like your country and language setting
Again, this is information that would be available to Bing if you use their service normally