The document discusses how Denny's Diner has effectively marketed to millennials on social media platforms like Tumblr. It analyzes Denny's Tumblr account, noting how it posts eclectic yet strategically planned content to engage younger audiences, raise questions, and promote loyalty. One example discussed is how a post of Denny's responding humorously to an obscure question about gluten-free options helped appeal to health-conscious millennials and poke fun at food fads in a subtle way. The summary analyzes Denny's social media strategy for reaching millennials.