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MN90: Minnesota History in 90 Seconds

on November 29, 2016

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MN90: Muzak for Your Shopping Pleasure

Home > MN90: Minnesota History in 90 Seconds > MN90: Muzak for Your Shopping Pleasure

3M invented Post-Its. And until the 1990s, says Britt Aamodt, it also produced some soothing Muzak.

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