Twitter might have popularised it, but the hashtag is a lot older. It dates back to the 14th century and evolved from the abbreviation for a pound, lb.

From Weekly Filet #128, in September 2013.

A Brief History of the Hashtag, and Other Unusual Punctuation Marks

The New Yorker

💔 Some older links might be broken — that's the state of the web, sadly. If you find one, ping me.

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