So I am looking to redo my business card. I thought I might put a QR code on it. So I stopped by this site: http://goqr.me/. Lets see how it works out. I am a little concerned with claims made that vCard QR codes do not work with certain devices: http://qrlicious.com/2012/03/23/top-5-rules-for-qr-codes-on-business-cards/.