Every business knows the importance of promotions. It helps to rejuvenate existing customers and acquire new ones. The same principle is followed online, as customers prefer using the internet to find products and services. #promotion is used by businesses when they are promoting themselves and their products and/or services. It is also used by social media experts and internet marketers when they post paid content on social media on behalf of their clients. The hashtag ensures that there is no misunderstanding about the content and that readers realize that it is promotional.