How to Use Hashtags (DO!)
be specific when using hashtags
cater hashtags to the social network you’re using
come up with relevant, unbranded hashtags
How not to Use Hashtags (Don’t.)
Don’t go too long or too clever
Don’t have more hashtags than words.
Don’t hashtag everything
try to read this blog post: "The Do’s and Don’ts of How to Use Hashtags" to get more ideas on how to utilize #.