Which of these scientifically advanced consumer products was discontinued in 2011 after just 2 years on the market, despite $250 million in R&D and being endorsed by prominent scientists?

The intersection of science and retail has produced some fascinating product stories. Many scientifically advanced products that seemed revolutionary in the lab faced harsh realities in the marketplace. This trivia explores one famous scientific product that failed to capture consumer interest despite significant R&D investment and technological merit. Test your knowledge of when scientific innovation collided with consumer reluctance!

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Olestra fat substitute (by Procter & Gamble)
Clairol Touch of Yogurt Shampoo
Google PowerMeter energy monitoring tool
Sony Digital Paper e-ink tablet