What is a HashTag?

So, what is a HASHTAG?   This is a hashtag: #  (the number symbol)

How is it used in/on social networking sites like twitter and instagram?A hashtag is a word or a phrase prefixed with the symbol #

Example: #nhl – this will reference your posting with relation to the NHL

Try looking it up on twitter, and you will see any post made with that reference to it.

#selfie – the most common hashtag used to define a Self Portrait.  If you look up #selfie on instagram, you will get over 21million pictures that have that tag assoicated with it