https://www.microsoft.com/web/downloads/platform.aspx
By downloading and using the Web Platform Installer (WebPI), you agree to the license terms and privacy statement for WebPI. This installer will contact Microsoft over the Internet to retrieve product information. WebPI uses the Microsoft Customer Experience Improvement Program (CEIP), which is turned on by default, see privacy statement for more information. Some of the Microsoft software obtained through WebPI may use CEIP. To view which software uses CEIP, see here.”