Do hashtags do anything on Facebook?

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Tags

1. #whether
2. #unique
3. #posts
4. #start
5. #facebook
6. #hashtags
7. #everyone
8. #strategic
9. #clickable
10. #status
11. #feature
12. #profile
13. #links
14. #hashtag
15. #using
16. #public
17. #update