Public relations involves programs to promote and protect a company's image and products. PR is usually unpaid and works alongside advertising to defend a company during difficult times. The functions of PR include promoting goodwill, products, services, corporate image, communications, lobbying, and countering negative publicity. When used for marketing, PR is called marketing public relations and can help launch products, reposition mature products, build interest, and counter negative publicity. For PR to be effective, a company must have employee and community respect, justify profits, and work for the community as a good corporate citizen. PR is used to address customer complaints, cement customer relations in service industries, and combat rumors by confronting them with facts in the media. PR professionals