Corporate social networks are trying to kill the hashtag because they want users to only discover things through corporate algorithms 馃槱
Mastodon and the wider Fediverse love the hashtag as it allows humans to retain control of their feeds 馃グ
You can use a hashtag to label a post with its main topics. More info about adding hashtags at https://fedi.tips/what-are-hashtags-how-do-i-use-them-on-mastodon-and-the-fediverse/
You can follow a hashtag to see posts labelled with those tags in your feed. More info at https://fedi.tips/how-do-i-follow-hashtags-on-mastodon-and-the-fediverse