Question: what can i do with a qr code?
Answer: URL: Simply paste a URL of your choice in the destination box and the scanner of your Visual QR Code will be redirected to that webpage. ... 
vCard: Use your Visual QR Code to create a contact in your scanner's address book! ... 
YouTube Video: ... 
Facebook: ... 
Twitter Follow: ... 
Tweet: ... 
Google Maps: ... 
LinkedIn Profile: