Browsers operating in privacy mode will disable the saving of cookies, history, downloads
and videos in cache for the duration of the session. This is useful for shared or public
computers where security and privacy on the system might be an issue. Note this will not
mask your IP address while you are browsing.
How to enable private browsing in four major browsers
IE - Tools -> InPrivate Browsing or Ctrl-Shift-P
Chrome - Menu -> New Incognito Window or Ctrl-Shift-N
Firefox - File -> New Private Window or Ctrl-Shift-P
Safari - Safari Menu -> Private Browsing
Mobile browsers for all major platforms ( iOS, Android & WindowsPhone ) also have the
ability to open private browsing sessions.