You can put the "Don't Eat Me!" and "This Is Not Yours!" notes away for now. Stefan Buchberger, a design student at the University of Applied Arts in Vienna has designed the Flatshare Fridge — a fridge made of up individual, stackable units so that each person gets his or her own refrigerator space. We're seriously wondering why this hasn't been developed before. Just think how many roommate relationships have been devastated because of a missing sandwich?