Do your research. Or end up with #EGG on your face.
hash·tag: A word or phrase preceded by a hash mark (#), used within a message to identify a keyword or topic of interest and facilitate a search for it.
Communication has and will continue to evolve. It is a powerful tool when used correctly, and social media has taken communication to new heights. Now, we can reach beyond our own networks to communicate, discover and assemble instantly. However, a tool is only as powerful as its operator.
Though each social network has its own way of displaying posts under a certain hashtag, and their own algorithms for specifying trending content, these rules tend to hold true in general across each social channel. Follow them and you too can prevent hashtag misuse.