"Hashtag" or "Octothorpe"? Up Your Social IQ with This Comprehensive Social Media Glossary
Hootsuite is a useful tool that can help new businesses plan, analyze, and execute their social posting. They also have a slew of great blog posts and articles about social media marketing that are available to anyone, client or not. Towards the end of every year they publish a comprehensive social media glossary. Check out the most recent version here, The 2014 Social Media Glossary: 154 Essential Definitions, and up your social media IQ.
As a bonus, if the hashtag title caught your eye, you might want to check out their post on The Do's and Don'ts of How to Use Hashtags. One of the more commonly misused elements in social posts.