Koppelman was a contributor and Essayist at Grantland.com, a website that was dedicated to Sports and pop culture. Additionally, since March 2014, Koppelman has hosted a weekly podcast, "The Moment", on ESPN Radio. In October, 2013, Koppelman received significant media attention for releasing a series of videos on the platform Vine in which he gives screenwriting advice in six seconds or less called "Six Second Screenwriting Lessons". His "Screenwriting, in Six Seconds or Less" Vine from July 31, 2014, generated over 15 million loops in less than nine days. He has also written a short story, "Wednesday is Viktor's", for the anthology Dark City Lights: New York Stories (Have a NYC), published in 2015.