Here are two articles you might find helpful about Hashtags and Privacy on Facebook. Fred
Here are a bunch more articles on Hashtags. Oh, by the way, my research found that hashtags on Facebook were not so beneficial, but retweets increased with hashtags on Twitter.
- A How-To Guide for Using Hashtags in Social Media (thesocialcommerceblog.com)
- Hashtags and Facebook and Marketing | Social Media Today (socialmediatoday.com)
- Using Hashtags on Facebook (business2community.com)
- 7 Big Facebook Changes You Should Know About for a Better Facebook Strategy (thesocialcommerceblog.com)
- Hashtag Horror: When Hashtags Get Out Of Control (business2community.com)
- Why Facebook hashtags were doomed to #fail (insidefacebook.com)