For Users:User can create different cards, While creating card, user can see preview of the card. Card can be shared by using QR code. User can search other users to request the card or User can scan QR code to request the card. Without user approval card cant be available to card requestor. Card owner can revoke access to card any time.For Business:Business owners can create business card, can enter information like business name, category, services, contact details, address, timing, After creation of card, owner can set the current status of business like Open or Closed. It will help to other user, to get the real time status of business.