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. (Photo by Justin Sullivan/Getty Images)
