Marbles. Hula Hoops. Water bottle flipping. Yo yos. These fads have spontaneously manifested since at least the 80s with no central control or in some cases mar

Marbles. Hula Hoops. Water bottle flipping. Yo yos. These fads have spontaneously manifested since at least the 80s with no central control or in some cases marketing campaign - you can't even sell a product with water bottle flipping.