When classic coke went on the market, sales were way higher than they had been before the switch. It was a smart move.
I'm pretty sure foursquare, farmville, hydrogenated oils, auto-tune, tanning beds, plastic grocery bags, and some other stuff on that list are still 'work[ing] out.'
a.) the zillions of Chinese farmers who died from replacement insecticides that were actually bad for you right now, as opposed to in 20 years.
b.) the return of Malaria as a disease that kills tens or hundreds of thousands each year, from its state of "not really an issue anymore" in the DDT era.
> Betamax wasn't so much a bad product as a lesson in marketing gone awry.
http://en.wikipedia.org/wiki/Thomas_Midgley,_Jr.
He invented tetra-ethyl lead and CFCs.