 In November 2004, Day joined forces with Guinness World Records science & technology editor David Hawksett at Sweden's Dreamhack 2004 LAN event to verify a new world record on the largest number of separate computers connected in a single LAN network.In 2008, Day's long-time work as a video game adjudicator and eSports pioneer inspired the creation of the Guinness World Records - Gamer's Edition.On August 11, 2017, in Helsinki, Finland, Day took the stage during the science fiction Hugo Awards ceremonies to present a Guinness World Records citation that recognized the Hugo Awards as history's longest-running science fiction award.