hashtag (#): A word prefixed with # to tag a tweet; proposed by Chris Messina in 2007, linked by Twitter in 2009, everywhere by 2010. Example: "#FollowFriday"
- Meaning
- A word prefixed with # to tag a tweet; proposed by Chris Messina in 2007, linked by Twitter in 2009, everywhere by 2010.
- Example
- "#FollowFriday"
- Origin
- Twitter, August 2007
- Part of speech
- noun
