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 CES 2026: An Insider Tour of the Reddit Conversation Bar The Brief, Live! Special Edition: Halloween Hijinks Watch On Demand: Measurement Strategies for Event Organizers The Brief: Gutter Parties and ‘Pollen PuttPutt’