some snippets I found in the T&C's linked from Windows 8.1 RTM (even the the document still says preview) http://windows.microsoft.com/en-us/windows-8/windows-

some snippets I found in the T&C's linked from Windows 8.1 RTM (even the the document still says preview) http://windows.microsoft.com/en-us/windows-8/windows-8-1-privacy-statement#T1=supplement http://windows.microsoft.com/en-us/windows-8/windows-8-1-pri... Windows Search also sends an identifier to provide personalized search results based on your interactions withBing and other Microsoft products and services. If you sign in to Windows with aMicrosoft account, the identifier will be associated with your Microsoft account. If you allow Windows Search to use your location, the physical location of your device as provided by the Windows Location Platform will be sent to Microsoft as a part of each search request. Alternatively, we may attempt to derive your approximate physical location based on your IP address. If you choose to use Windows Search to get web search results, we use the search term you have provided, your local and online search history, information associated with yourMicrosoft account, and the location of your device to provide relevant search suggestions, personalized search results, and personalized experiences in other Microsoft products and services You can also clear your search history and turn off personalized search results for WindowsSearch in Search in Search & apps in PC settings. This clears your local search history and instructs Microsoft not to use any previously collected search history stored byBing that’s used to personalize your WindowsSearch experience. It does not delete information that is used by Microsoft in aggregate to improve search results and otherMicrosoft experiences. That information is retained and anonymized