The use of business cards is by no means a simple action. When, where, and how to hand over a business card to someone is a kind of knowledge. A business card is the symbol of one's identity and has now become an important tool for social activities. Therefore, the delivery, acceptance, and storage of business cards should also follow social etiquette. Business Card Online takes you into a new realm of social etiquette, let's learn about the culture of business cards together.