4. If available, tell a little about the history of the agency. Much of the advertising you see every day on television and in magazines is created by a small number of large advertis- ing agencies. To make their agency stand out from the oth- ers, the different agencies develop unique personalities or corporate philosophies. Visit the Web sites of several adver- rising agencies: Leo Burnett Worldwide (www.leoburnett.com) BBDO Worldwide (www.bbdo.com) The Martin Agency (www.martinagency.com) Fallon Worldwide (www.fallon.com) J. Walter Thompson (www.jwt.com) Explore the Web sites to see how they differ.