In this case hashtags has been used to access vital information and news update on the topic. ...the octothorp (#) key generates a command to send the contents of the memory unto the telephone line through a send circuit... 1.2. octothorpe (plural octothorpes) 1. Save my name, email, and website in this browser for the next time I comment. The symbol is distinguished from similar symbols by its combination of level horizontal strokes and right-tilting vertical strokes. I'm not sure why this answer was downvoted.  A 1917 manual distinguishes between two uses of the sign: "number (written before a figure)"; and "pounds (written after a figure)". In many places, this is as a result of the similarity to the musical sharp symbol (♯). The late-night television comedy game show @midnight with Chris Hardwick on Comedy Central features a daily game entitled "Hashtag Wars," in which three comedians compete against one another to come up with phrases based on a given hashtag theme.  The use of the phrase "pound sign" to refer to this symbol is found from 1932 in U.S. Words Committee. Twitter has an algorithm to tackle attempts to spam the trending list and ensure that hashtags trend naturally. As many of you probably know, using a hashtag in Twitter helps categorize your message and makes it possible for others to find your tweet when they search for messages on the same topic. ", "Facebook finally gets #hashtags - CNN.com", https://downloads.avaya.com/css/P8/documents/100141949, "A Dictionary of Singlish and Singapore English", "Pressing Matters: Touch-tone phones spark debate", "E.161 : Arrangement of digits, letters and symbols on telephones and other devices that can be used for gaining access to a telephone network", "Pronunciation guide for Unix - Bash - SS64.com", "The Hashtag: A History Deeper than Twitter", https://www.w3.org/TR/html4/sgml/entities.html, https://www.w3.org/TR/2014/CR-html5-20140731/syntax.html#named-character-references, "HISOFT DEVPAC ZX Spectrum Programmer's Manual", "You'll Never Guess the Real Name for a Hashtag", Glossary of Medical Devices and Procedures: Abbreviations, Acronyms, and Definitions, "How to Format a Press Release for the Associated Press", "cp500_IBMInternational to Unicode table", "cp1026_IBMLatin5Turkish to Unicode table", "Emoji Symbols: Background Data—Background data for Proposal for Encoding Emoji Symbols", https://en.wikipedia.org/w/index.php?title=Number_sign&oldid=990587439, Articles with unsourced statements from November 2017, Vague or ambiguous geographic scope from May 2020, Articles with unsourced statements from May 2020, Articles with unsourced statements from October 2020, Articles lacking reliable references from September 2020, Articles with unsourced statements from September 2020, Creative Commons Attribution-ShareAlike License.
As for the first documented instance of someone calling such a tag “hash tag”, it appears to have been in an August 26, 2007 blog post by “Web Anthropologist” Stowe Boyd, titled “. , On September 13, 2013, a hashtag, #TwitterIPO, appeared in the headline of a New York Times front-page article regarding Twitter's initial public offering. Twitter uses a different syntax for Chinese characters and orthographies with similar spacing conventions: the hashtag contains unspaced characters, separated from preceding and following text by spaces (e.g., '我 #爱 你' instead of '我#爱你') or by zero-width non-joiner characters before and after the hashtagged element, to retain a linguistically natural appearance (displaying as unspaced '我#爱你', but with invisible non-joiners delimiting the hashtag). As of July 1, LinkedIn will no longer support the Internet Explorer 11 browser. , The pound sign was adopted for use within IRC (Internet Relay Chat) networks circa 1988 to label groups and topics.  On microblogging and social networking sites hashtags can be inserted anywhere within a text, often at the beginning or the end, but also within the text, usually as a word (e.g., "It is #sunny today"). Merriam-Webster references for Mobile, Kindle, print, and more. I believe the person who came up with this word, decided that there should be one universal term for the # symbol... and that word would be OCTOTHORPE!!! Obviously two different symbols. no. #excited #sarcasm" in which the adjectives are directly indicating the emotions of the speaker.  This usage inspired Chris Messina to propose a similar system to be used on Twitter to tag topics of interest on the microblogging network, this became known as a hashtag. Twitter warns that adding hashtags to unrelated tweets, or repeated use of the same hashtag without adding to a conversation can filter an account from search results, or suspend the account. We first started seeing this random symbol start creeping into popular culture when it would pop up on the TV screen as we were urged to vote our favorite singer on American Idol, "Text your favorite artist to #25564..." and I'm pretty sure I saw it when we were asked to donate money to relief funds for the victims of Natural Disasters. That is still how it's scribbled: I do it myself when recording the weights of babies in pounds and ounces (though we are finally moving to kilograms). Making statements based on opinion; back them up with references or personal experience. The symbol was introduced on the bottom right button of touch-tone keypads in 1968, but that button was not extensively used until the advent of large scale voicemail (PBX systems, etc.) Self-mockery is another informal function of the hashtag used by writers, as in this tweet: "Feeling great about myself till I met an old friend who now races at the Master's level. Forecasting Prices vs Returns by Deep Learning, How to keep improving when missing advanced knowledge prevents finding the answer to tactical puzzles, Is it my responsibility to tell a team member off whom I think is crossing the line.
In North American English, it's sometimes called the pound sign and used as a symbol for pounds weight: this can be confusing for British people for whom a pound sign is £. For example, words in hashtags are the strongest predictor of whether or not a statement is sarcastic—a difficult AI problem.. This may also be conveyed with #sarcasm, as in the previous example. @SarahofGaia the linked Wikipedia article is called hashtag, and the image posted below is titled hashtag, I then list its other names, for some it is a hatch, an octothorpe or even "number sign".
@medica This was a rushed, botched and basically a copy'n'paste job. I would be surprised if it was a common handwritten abbreviation in the U.S. before that. Hashtags intended for discussion of a particular event tend to use an obscure wording to avoid being caught up with generic conversations on similar subjects, such as a cake festival using #cakefestival rather than simply #cake.