The system also provides a mechanism for a user to selectively establish contact relationships or connections with other users, and to grant permissions for such other users to view personal information of the user.
Microsoft has also filed a patent for a set of digital glasses that overlay information on top of the user's view, which it suggested could be used at sports matches and theatres.
Whether it be Google's penchant for collecting search and browsing histories or Street View WiFi information, the company is no stranger to concerns about its healthy appetite for user data.