In case you missed it, you can make your entire posts searchable without using hashtags *IF* you opt into the new full text search system. Here's how to do that:
➡️ https://fedi.tips/how-do-i-opt-into-or-out-of-full-text-search-on-mastodon/
However, it's still worth using hashtags because:
-Many people follow hashtags, using relevant tags in a post reaches them
-Many people aren't opting into full text search, so you can still find their posts with hashtag searches
-Hashtags are useful for indicating the topics you actively want to discuss
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