Public Promotions is a term used to describe the process of advertising and marketing a product or service to the public. ADS, which is a 3 letter word, is one of the most common methods of public promotion. ADS are used to create awareness and interest in a product or service, and can be seen in various forms such as television, radio, print, and online. Other methods of public promotion include events, sponsorships, and promotions. All of these methods are used to reach potential customers and increase sales.