• 4am@lemmy.zip
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    21 days ago

    The symbol # is a “hash”. The “tag” Is the word that follows.

    The hash exists as a signal to a computer program indexing posts by topic that the following characters before the next whitespace are meant to signify a tagging of a topic. Twitter started doing this a long time ago, to give users a way to categorize their posts by topic without needing a separate interface. (Did you know that the original 140 character tweet length was so it could fit in a single SMS message? Twitter used to be operable over text message). It’s likely that the # symbol was chosen because in URLs it’s used to signify a page anchor in HTML documents, such as a specific header or paragraph, and so similarly here it’s used to find specific topics; you’re anchoring your interest to something specific.

    So it’s not a “hashtag” without the hash and the tag. #TIL

    • Cethin@lemmy.zip
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      20 days ago

      So it’s not a “hashtag” without the hash and the tag. #TIL

      Technically, yes. Practically, I don’t think this is true. If you ask 100 people under 20 what “#” is called, 99 or 100 will say it’s a hashtag. Language shifts, and that’s becoming the common name for it, even without it tagging something.

  • FriendOfDeSoto@startrek.website
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    21 days ago

    I grew up with # being pound as well. The use of the pound symbol to highlight shit came from coding. Hash is another word for the pound symbol. It tags stuff. Ergo hashtag. Born in the glory years of Twitter.

        • bisby@lemmy.world
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          21 days ago

          Fascinating. The wikipedia page is for shebang so clearly you are right.

          But the wikipedia page also cites it being called hashbang – citing mostly o’reilly books.

          Now I’m intrigued, not that I have a lot of reason to talk about shell scripts, but I had never heard it called any other way.

          TIL, thanks!

          • khannie@lemmy.world
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            21 days ago

            In college we were taught “hash exclamation, aka hash bang or shebang for short”.

          • Magister@lemmy.world
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            20 days ago

            I do un*x shell since the 90s, before linux, maybe this is why I have always called it that way

  • Apepollo11@lemmy.world
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    21 days ago

    The world (or at least the Anglosphere) has always called the # symbol the hash sign. I have no idea why Americans called it the pound sign - most places call the £ symbol the pound sign.

    The term “hashtag” was not invented by an American. For the rest of us this makes sense - it’s a tag denoted by a hash sign - but I can see how it seemingly came out of nowhere if you used different words.

    • leadore@lemmy.world
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      20 days ago

      I have no idea why Americans called it the pound sign

      In the old days, they called it a pound sign and actually used it to mean “pounds” as in weight. In a grocery store there might be a sign reading something like “10# bag Potatoes $1”.

    • axh@lemmy.world
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      21 days ago

      I always read this as hash until I learn that the programming language C# is pronounced C sharp

      • Em Adespoton@lemmy.ca
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        21 days ago

        In music, # denotes a sharp key or note and b denotes a flat key or note — this is Italian notation.

        Traditionally in English, the # symbol was called the hash, because it looked like the end of a cooking implement used to hash vegetables (nowadays everyone would say mash instead).

        In US typewriters, there was no £ symbol, so # was used to denote british pounds instead.

        When the telephone button pad was created, there was room for two more symbols and tones, so the creators took the asterisk and hash from the typewriter and added them as extra signals.

        When Twitter needed a way to denote a tagged word in a tweet, they decided to use the hash symbol.

        • bryndos@fedia.io
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          20 days ago

          I don’t know if this is a new development to differentiate or just a style thing. But I think sharp in music is usually slanted up ♯. Rather than horizontal #.

          C# in computers is just perverse.

            • bryndos@fedia.io
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              20 days ago

              Yes, probably just style then. Thinking about the context it has to be angled one way or another in sheet music just for clarity against the lines of the staff.

              It’d be interesting to know whether it was used first in sheet music, or otherwise.

  • Today@lemmy.world
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    21 days ago

    I think it was always called a hash but we read it as pound or number…7# or #7. Like how we say ‘and’ instead of saying ampersand.

    • pmk@piefed.ca
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      21 days ago

      I’d argue that “and” is the proper way to say “&” in english, even though it’s just a fancy “et”. The word ampersand is just a weird spelling of “and per se and”, that is, “and in itself”, as opposed to being part of listing things. Like: x,y,z, and &. The first and is just part of the grammar of listing things, the second is an item in that list.

  • Magister@lemmy.world
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    21 days ago

    In France it was “dièse” (like “sharp” in music) and it became hashtag too. In Québec it’s the “carré” meaning the square, and people says hashtag now too.

  • amio@lemmy.world
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    21 days ago

    The term was popularized with Twitter but tags for search purposes etc had been a thing for a long time before then.

  • schnurrito@discuss.tchncs.de
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    21 days ago

    https://en.wikipedia.org/wiki/Hashtag#Origin_and_acceptance

    I still remember, in the late 2000s and early 2010s, finding that somewhat weird too. I was already regularly using the Internet (including forums) well before hashtags were invented and when I started to see hashtags in all kinds of contexts, I on the one hand found it great that the Internet was apparently arriving in more people’s lives, and on the other hand somewhat disappointing that they weren’t using forums or wikis or anything like that that I was already highly familiar with, but this weird new thing called Twitter… oh well…