None of us felt comfortable eating it, as if an ice cream bar that could materialize in less than an hour was a poltergeist. Still, the questions! Who would deliver just an ice cream bar for free? The answer was: no one, at least not for long. Kozmo.com fired its thousand employees and shut down in April 2001, like so many of its compatriots in the dot-com bubble. Failure or no, Kozmo was one of a few signals (remember Webvan?) of the purported future of convenience.