A hashtag is a word or phrase preceded by the # symbol that people include in posts to tag topics, make content discoverable, and group discussions around a theme. When a hashtag becomes trending, it means a lot of people are using it at the same time, so it gets more visibility and engagement across that platform. 📈 Why Facebook hashtags matter Even though hashtags started on Twitter and became huge on Instagram, Facebook also supports them — clicking a hashtag shows posts with that tag and ca