Every Day Is Special
Showing posts with label QR code. Show all posts
Showing posts with label QR code. Show all posts

October 7 - Anniversary of the Invention of the Bar Code

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  Posted on October 7, 2021 This is an update of my post published on October 7, 2010: The first patent for a bar code product was issued to...
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Cathy
This site is designed to be a source of interesting articles for kids and a resource for teachers and parents (especially homeschool teacher/parents!). From world holidays to historical anniversaries, Every Day Is Special celebrates each and every day.
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