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 How B-to-B is Evolving Fast Where Are They Now: Brian Woods Ford Fiesta Rocks at Red Bull Soundclash B-to-B Events