Cardboard cutouts have become a popular prop for ads during the pandemic. In October, Bud Light played off the use of cardboard stand-ins filling seats at empty stadiums in a spot where a 2D fan journeys to find his real-life counterpart. Last week, Phyllis of “The Office” created a flat counterpart to sit in on her work Zoom calls so she could do her crafts in a spot for Joann.