Statistics for What year was it invented? #3

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Invention	Who invented it	Year	% Correct
The IPhone	Apple Inc.	2007	91%
Twitter	Jack Dorsey, Noah Glass, Evan Williams, Biz Stone	2006	90%
JetPunk	John and Dan Hostelter	2008	74%
The DVD	Philips, Sony, Toshiba, and Panasonic	1995	71%
The Floppy Disk	Alan Shugart	1970	67%
Barbie	Ruth Handler	1959	65%
Porsche	Ferdinand Porsche	1931	57%
The Twinkie	James Alexander Dewar	1930	56%
The Mars Bar	Mars Inc.	1932	56%
The Trampoline	George Nissen and Larry Griswold	1934	54%
UK Cat's Eyes	Percy Shaw	1933	52%
The Nylon Toothbrush	Dupont de Nemours	1938	52%
The Coat Hanger	O. A. North	1869	27%
Braille	Louis Braille	1852	25%
The Fax Machine	Alexander Bain	1843	20%