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 Six Travel Hacks from Trade Show and Event Pros How Mars Veterinary Health is Making Green Sponsorship at VMX Grow Experiential Trend of the Week: On Newsstands The Brief: Dive-In Theaters and Kidney Passes