Someone close to me just gave me a rubber smartphone cover that makes my phone look like an old cassette tape.

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You look at a Power Balance band and you say 'I don't see the technology, I don't think it's biologically plausible, I don't see research trials, I just see a bit of rubber.

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Perhaps it just goes to show that in business, strange things happen - like a rubber boot maker becoming mobile phone company number one.

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