FAIRFAX, CA – DECEMBER 18: The Instagram logo is displayed on an Apple iPhone on December 18, 2012 in Fairfax, California. Users of the popular photo-sharing app Instagram are angered over language in Instagram’s new terms of service that states that a business may use any of the users photographs in advertising without compensation to the user. The policy is set to go into effect on January 16, 2013. Justin Sullivan/Getty Images/AFP