A good business card should convey the overall image of your business, which isn't always easy, considering the card measures just 2 inches by 3 inches. They are shared during formal introductions as a convenience and a memory aid. A business card typically includes the giver's name, company or business affiliation (usually with a logo) and contact information. They may include social media addresses such as Facebook, LinkedIn and Twitter. Today a professional business card will sometimes include one or more aspects of striking visual design.