Hash•tag Noun 1. a word or phrase preceded by a hash sign (#), used on social media websites and applications, especially twitter, to identify messages on a specific topic.
Instagram is a bustling social media platform with 1 Billion users as of June 2018. Savvy businesses are taking advantage of this huge audience by developing image-based content marketing strategies. But even the best images in the world are no good if nobody sees them, which is where hashtags come in.
By adding relevant hashtags to your post, you increase the chances of more people viewing your content.