Not beyond the realms of what could be placed on a business card, a lot cheaper to make and certainly more useful for most phone users.
On the other hand, the NFC card is a lot more attractive looking and has an extra "wow" factor. Of course, it would be useless to me as my phone doesn't have NFC, so I would be left keying the contact details into my phone by hand.
Now add in PGP key sigs (or the entire public key), website, SSL key sigs, bitcoin address, and other information I haven't thought of yet, oh, and wrap all of that inside a VCARD, it becomes quite large quite quickly.
I'm not saying for the basic info a VCARD QR Code won't work, but for more info it breaks down.
http://www.moongate.ro/products/qr_code-vcard/serve_card?c=K...
Not beyond the realms of what could be placed on a business card, a lot cheaper to make and certainly more useful for most phone users.
On the other hand, the NFC card is a lot more attractive looking and has an extra "wow" factor. Of course, it would be useless to me as my phone doesn't have NFC, so I would be left keying the contact details into my phone by hand.