A businessman can never have too many business cards. In the life of every business executive, there is always a chance that he might meet a potential customer or a business partner. Most business people are serious about their business. They want to make sure that by giving mini busines cards to other people their make their businesses more successful. I agree with this tactic. Business cards have always been an effective way of marketing a company. Business people have been using business cards to promote their businesses for many years now. Many of them consider business cards to be a must in the life of every businessman.