Private - when someone calls and you want him to send you an email
Social - here you can send a different email address, add Facebook link and more
Business - this is a true " SmartCard" that contains options to that can help people that work with their phone.
you send the card to the person you are talking with, he gets a text message, taps the link and he sees your SmartCard.
Here he can ( without installing an app or adding to contact) send you his location' a photo end more.
It's a lifesaver for micro and small businesses.