Advertising
We expense advertising costs as incurred. Advertising expense, which is included in selling, marketing and administrative expenses, was $582.4 million in 2013, $480.0 million in 2012 and $414.2 million in 2011. Prepaid advertising expense as of December 31, 2013 was $8.4 million and as of December 31, 2012 was $9.5 million.
