At first I thought you were talking about hashish. Anyway, hashtags really are words or phrases prefixed with the symbol #,[1][2] a form of metadata tag. They are used within IRC networks to identify groups and topics. Short messages on microblogging social networking services such as Twitter, identi.ca or Google+ may be tagged by including one or more with multiple words concatenated.
This sure sounds difficult to understand. Good luck.
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Banned by fatfoo
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