the.com/barcode
A zebra-striped fingerprint that lets machines read what humans cannot.
means A pattern of parallel lines encoding data, scanned optically to identify a product or item.
from Inspired by Morse code, two inventors in 1948 stretched dots and dashes into stripes while sketching in beach sand.
First scanA pack of Wrigley's gum, Ohio, 1974.
Hidden mathThe last digit checks all the others.
Quiet middleCenter bars tell scanners which way is up.