Carl Bialik from WSJ writes "WSJ.com looks back on some of the boom's biggest busts, and catches up with once-optimistic inventors. A creator of the unfortunately named iSmell, a USB device meant to 'print' smells transmitted by websites or videogames, says, 'It was a heartbreaking experience, because we had put so much into it.' The digital currency known as Flooz crashed and burned when a ring of thieves defrauded the company out of $300,000 using stolen credit cards. Microsoft flushed iLoo down the crapper. CueCat, meanwhile, got a second life as a bar-code reader that doesn't pick up personal information. 'The cat got butchered, but it has spawned a cottage industry,' says the device's inventor."
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