Hashtag symbol

From the Romans to Twitter, the hash sign – or octothorpe – has had a rich history, and now this ...

The symbol # is known variously in English-speaking regions as the number sign, hash, or pound si...

Also called a hash, number sign, or pound sign, the octothorpe is the typographical symbol "#" (t...

A hashtag is a metadata tag that is prefaced by the hash (or pound) sign, #. On social media, has...