@gwynethjones Wow...your QR Code tutorial is hanging in St. Louis Science Center (in tech section)

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ghartman 2 years ago Twitter

@gwynethjones Wow...your QR Code tutorial is hanging in St. Louis Science Center (in tech section)

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@gwynethjones Wow...your QR Code tutorial is hanging in St. Louis Science Center (in tech section) http://yfrog.com/h3v7hrij

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