Southern burger icon Whataburger celebrates its 60th anniversary with its "Tell Us Why You're Our Biggest Fan" online contest. At stake is a Whataburger fan's dream come true: 60 years of free Whataburger, a trip to the Whataburger convention in Dallas, TX and other cool prizes! Beginning August 4 and all throughout the company's anniversary month of August, fans can submit either videos or essays with photos at www.whataburger.com, demonstrating why they are Whataburger's biggest fans. The first 60 fans to enter will win a coupon for a free Whataburger. The contest ...