Blood types were discovered nearly 100 years ago, in Vienna, Austria. About 10 years later, scientists in Europe began suggesting that there might be a connection between a person’s blood type and his or her personality. Recently, this belief has become popular, especially in parts of Asia. Because many people believe in the blood-type/personality connection, different products and services make use of it. For example, computer-dating services will ofter use blood type information to put people together. Key holders, soft drinks, and lighters have been designed to match people’s types. Some companies even ask job applicants blood type during interviews.