Some factual background:<p>&quot;Microsoft Builds Trove From Windows 10 User Data To Support Bing, Cortana&quot;<p><a href="http:&#x2F;&#x2F;www.mediapost.com&#x2F;publications&#x2F;article&#x2F;266374&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.mediapost.com&#x2F;publications&#x2F;article&#x2F;266374&#x2F;</a>