context: Elevators necessitated new social protocols. When Nicholas II of Russia visited the Hotel Adlon in Berlin, his courtiers panicked about who would enter the elevator first, and who would press the buttons. In Lifted: A Cultural History of the Elevator, author Andreas Bernard documents other social impacts caused by the modern elevator, including thriller movies about stuck elevators, casual encounters and sexual tension on elevators, the reduction of personal space, and concerns about personal hygiene.
question: ఎలివేటర్ల ఆవిష్కరణ సామాజిక మర్యాదలు మరియు ఫార్మాలిటీస్ యొక్క ప్రశ్నలను తీసుకువచ్చింది, సాధారణంగా ఏమి సూచిస్తారు?
answers: social protocols