Jon Hamm is to become the first actor to be turned into a 3D hologram for virtual and augmented reality at the upcoming Sundance Film Festival. The "Mad Men" star plays a hologram named Walter Prime in the film "Marjorie Prime," and 8i, a New Zealand- and Los Angeles-based tech company will create a Hamm hologram to make an appearance at the film's premiere afterparty on January 23rd at Sundance. The real Jon Hamm will also be present at the party.