Airbus recently patented a system to jam even more passengers into an airplane. They call it "a seating device comprising a forward-foldable backrest." You'll call it "worse than a bus." Here's how the seating system works. The full patent can be found here: http://worldwide.espacenet.com/publicationDetails/originalDocument?CC=US&NR=2014159444A1&KC=A1&FT=D&ND=3&date=20140612&DB=EPODOC&locale=en_EP