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 [email protected] if you are unable to login. Forgot Password? Related Articles Photo Tour: Mountain Dew’s Courtside HQ Activation at NBA All-Star Weekend EventTech 411: Mobile Apps HBO Max Invites Fans into the Home of a ‘Gossip Girl’ for a Weekend EventTech 2015: What You Missed on Day One