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James Dyson, a leading commercial inventor, described the zipper as "a brilliant little invention, something which no one understands but everyone uses."#At first, the cost of zippers far exceeded those of buttons. In 1900 a zipper cost 25c compared to 5c for twelve buttons#The longest zipper in the world is 2851 meters long and has 2,565,900 teeth#The zipper first caught on in Britain following the Wembley Empire Exhibition in 1924 where a large display model appeared on a stand. The public was invited to try it out, and by the time the Exhibition ended it had been zipped and unzipped three million times#Zippers have uses other than on clothing. A Dr Stone of Maryland University stitched them into the sides of 28 pancreatic patients who needed repeat operations#Certain fundamentalist Christian sects refuse to use zippers (or buttons, for that matter) because they are not mentioned in the Bible#In the Twenties zippers were popularized in part by the Locktite Company, which used them for sealing their leather tobacco pouches#For some reason, the zipper is known in Britain in the shortened form of 'zip'
