It's likely that they do. It seems to me like it's hugely valuable and I see no reason why Google would refrain from doing so. Plus, Facebook does it too. http

It's likely that they do. It seems to me like it's hugely valuable and I see no reason why Google would refrain from doing so. Plus, Facebook does it too. http://www.digitaltrends.com/social-media/what-exactly-is-a-facebook-shadow-profile/ http://www.digitaltrends.com/social-media/what-exactly-is-a-...