Send the cards you have created to all your contacts, whether from your email or phone. When you receive your contacts cards, recommend them limitless with your friends.
They will have your information updated, along with pictures and documents.
When you receive a card from eCardflow, you can validate that the information is real. Thus, fighting against false, malicious, cards.
No need to dial manually while holding a paper card. Call directly from the card... all you need to do is push the call button.