Cute Young Brunette Girl Shows Off Wet On The Mattress On The Floor

• 1940s: Air mattresses constructed of vulcanized rubber-coated fabric are introduced.
• 1960s: The modern waterbed is introduced and gains its first widespread use. Adjustable beds gain popularity.
• 1970s: NASA invents material that later becomes known as memory foam.
• 1970s: A newly developed technology to produce foam rubber mattresses and pillows is introduced that enables factories to mass-produce latex foam and reduce the usage of rubber sap was introduced to the market and available for purchase.