In 1992, Sony came up with a way to give music junkies a better quality choice than cassette and a cheaper option than recordable CDs. Unfortunately, counting on CD-R to remain at high prices was a mistake — as the cost of making CDs dropped precipitously. Also, the advent of MP3s doomed the MiniDisc as it caught on in North America.
Like gadgets? Check out the top five gadgets at CES 2012.
— Andrew Lander, InvestorPlace @andrewlander