if you really want to see people scanning QR codes, there is a website for that http://replycam.com/browse.php http://replycam.com/browse.php has a few thousand

if you really want to see people scanning QR codes, there is a website for that http://replycam.com/browse.php http://replycam.com/browse.php has a few thousand or more qr codes (http://miniqr.com/reader http://miniqr.com/reader reused the http://replycam.com http://replycam.com flash webcam), should count them sometime.