The use of permanent or temporary access codes can allow entry to frequent vendors or guests. Gate technology has come a long way. Not long ago, a dead battery or faulty sensor meant walking down your ...

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 ...