The Obama administration's new advertising guidelines could make Tony the Tiger and Toucan Sam endangered species. iStockphoto.com hide caption

itoggle caption iStockphoto.com

President Obama shakes hands with supporters after speaking at a DNC fundraiser at Nob Hill Masonic Center in San Francisco, Calif., on April 20. Pablo Martinez Monsivais/AP hide caption

itoggle caption Pablo Martinez Monsivais/AP

The Obama administration often uses social media like Twitter Facebook to announce public statements on subjects ranging from the federal budget to grocery lists. via Facebook hide caption

itoggle caption via Facebook