It's Simple: Tweet Emoji. Get Pizza Delivered. Win Grand Prix.

The Domino's emoji ordering system won a Titanium Grand Prix, while the Re2pect campaign honoring Derek Jeter from Nike's Jordan Brand took an Integrated Grand Prix at Cannes. But even categories originally created to honor work that didn't fit neatly elsewhere fell prey to growing confusion about award category definitions at the Cannes Lions International Festival of Creativity.