A pair of “Magneto” eyewear, a discontinued product by Nike, is displayed at Prelaunch.com’s CES booth in The Venetian Expo. The mid-1990s product required users to tape magnets to their temples to wear them. The platform created a “Gallery of Flops” that highlights failed products to show start-ups the value in checking an idea’s viability before a full launch. (McKenna Ross/Las Vegas Review-Journal)