QR codes are pixelated black and white squares that perform magic when we point the cameras on our phones at them—but what’s going on that makes this little spell possible? QR codes are akin to the ...

THEY SEEM TO BE JUST ABOUT EVERYWHERE. QR CODES OR QUICK RESPONSE CODES ARE SMALL BARCODES THAT WHEN YOU SCAN THEM WITH YOUR PHONE, TAKE YOU JUST ABOUT ANYWHERE. LIKE THIS RANDOM YOUTUBE VIDEO OF ME ...