A couple held a Kahoot! battle at their wedding to determine who would sign their marriage certificate. Ahead of their upcoming elopement in Ireland, John and Cara Ellman-Yuan legally tied the ...

Courtesy of Emily Wilson; Kahoot! Cara and John Ellman-Yuan; Kahoot!

"i'm ordained and about to casually marry my friends before their wedding and everyone's playing a kahoot to decide who gets to sign the marriage certificate as witnesses," Wilson tweeted.