Marco Ferreira has created the most modern option for the old paper business card and also much cheaper, it is not a WebApp where you would need to login in order to get App access, instead it is a self contained off-line App for each individual mobile device.
Sharing Special Features : VCF Card, Card Replica, SMS, Bluetooth, NFC, E-mail
VCF Card is all the contact informations from the Card owner in a File.