Google has pulled its Google Authenticator app from the App Store following an update that removes all stored accounts when installed. The app is used with Google's two-factor authentication service to make logging in to Google accounts more secure. TechCrunch reports that users who don't have a trusted computer will need to reset their all stored tokens on Google that allow other services like Dropbox or Evernote to connect to users' Google accounts. Updating the app removes all your existing