Social Hashtags A hashtag is a word or phrase that is preceded by a pound (#) symbol. Hashtags are used on social media to categorize content and make it easier for users to find. Anyone can create hashtags and add them to social media posts. Create hashtags for your business events, promotions, new products and/or services and much more. You can also display them on paper publications [posters, mail, business cards, fliers etc.] to encourage people to share their amazing experience with their friends and family. Find Hashtags here.