The ROI of Free B-to-C Events, B-to-B Events Posted on February 8, 2010 by Sandra O’Loughlin LAST YEAR COULD BE CALLED the year of the handout. For eight hours on Feb. 3, Denny’s restaurants gave away two million free Grand Slam Breakfasts—two pancakes, two eggs made to order, two… LOGIN Please contact clientservices@accessintel.com if you are unable to login. Forgot Password? Related Articles How Square Leveled Up the Fun at the 2026 National Restaurant Association Show Experiential Marketing Trend of the Week: Think Pink Field Report: Video Game Developers and Tech Brands Level Up Demos at PAX East The Brief: Food Courts and ‘X-Files’ Extravaganzas