In addition, Feb. 1 - 14, the first 500,000 people to sign up for Denny's Rewards online will receive a free burger and fries available March 1-7, 2010 as seen in the Denny's press release.
By signing up for Denny's Rewards you will be also be entered into a contest to win a free Grand Slam every week for a year. Reward members will also receive exclusive access for special offers on Denny's meals, a tasty offer on your Denny's Rewards anniversary and more.
Plus, everyone can enjoy an Original Gland Slam for free on their birthday!