Microsoft's data is included in the PRISM documents: http://www.washingtonpost.com/wp-srv/special/politics/prism-collection-documents/ http://www.washingtonpos

Microsoft's data is included in the PRISM documents: http://www.washingtonpost.com/wp-srv/special/politics/prism-collection-documents/ http://www.washingtonpost.com/wp-srv/special/politics/prism-... It's not a huge leap to assume that any and all information they capture, including faces, is susceptible to government data surveillance programs.