Miller discusses how he's rebuilt the chain.
Find out how this restaurant chain was able to go viral with one of the most unique social-media strategy in the business.
From weird mashups to the pros and cons of franchising, check out the most-read franchise stories of the year.
The restaurant chain was quick to latch onto Apple's tech glitch, creating a clever Twitter post that went viral in minutes.
At age 16, Dawn Lafreeda began working at Denny's as a hostess. Three decades later, she's the largest single-owner franchisee in the system.