Warren placed a large QR code atop her graduation cap that sends anyone who scans it to a list of high school students in the U.S. who were killed in school shootings. "I graduated. These high ...
WDHN Dothan on MSN5mon
California high school requiring students to scan QR codes to leave classAt Edison High School in Huntington Beach, students must download an app and scan a QR code when they leave the classroom for ...
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