I think the most relevant sentence in the thread is "if it worked as advertised."

I think most of the "great innovations" you hear about sound great in press release but don't work in practice. I could be wrong about that; I certainly don't have the technical expertise to say. But it strikes me that, a lot of the time, the reason you hear a lot initially and then never again has to do with press release reporting. When it turns out that the thing doesn't work, it's not as exciting and therefore gets less ink. (Or fewer pixels, I suppose.)

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Gillian

"Now everyone was giving her that kind of look UFOlogists get when they suddenly say, 'Hey, if you shade your eyes you can see it is just a flock of geese after all.'"

"You can't erase icing."

"I can't believe it doesn't work! I found it on the internet, man!"