Microsoft’s Windows 8 connects its users with networks including Facebook, Flickr, Twitter, LinkedIn, Hotmail, Gmail, Exchange. Windows 8 doesn’t build its Contacts list dynamically; instead, it keeps a cache of contacts from all of those sources stored on the machine. The cache persists even when the user logs off or the machine is turned off. Experts say this is far from a meltdown in Microsoft’s decade-long effort to improve its security and privacy. Users should be selective about who has administrator privileges on Windows.”]

