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 A Step-by-Step Breakdown of Don Julio’s Global, Creator-first ‘194구’ Campaign The Brief: Football Manicures and ‘V.I.PEE’ Stalls Introducing the 2026 Experiential Marketing Summit Advisory Board 10 Things We’re Fired Up for at the 2025 Experiential Marketing Summit