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Christopher Reaves Messina (born January 7, 1981) is an American blogger, product consultant and speaker who is the inventor of the hashtag as it is currently used on social media platforms. In a 2007 tweet, Messina proposed vertical/associational grouping of messages, trends, and events on Twitter by the means of hashtags. The hashtag was intended to be a type of metadata tag that allowed users to apply dynamic, user-generated tagging, which made it possible for others to easily find messages with a specific theme or content. It allowed easy, informal markup of folksonomy without need of any formal taxonomy or markup language. Hashtags have since been referred to as the "eavesdroppers", "wormholes", "time-machines", and "veins" of the Internet.

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  • Christopher Reaves Messina (nascut el 7 de gener de 1981) és un blogger, consultor de productes i orador nord-americà que és conegut per ser l'inventor de l'etiqueta tal com s'utilitza actualment a les plataformes de xarxes socials. En un tuit del 2007, Messina va proposar l'agrupació vertical/associacional de missatges, tendències i esdeveniments a Twitter mitjançant hashtags. L'etiqueta hashtag estava pensada per ser un tipus d'etiqueta de metadades que permetés als usuaris aplicar etiquetatges dinàmics generats per l'usuari, cosa que feia possible que altres trobessin fàcilment missatges amb un tema o contingut específic. Va permetre l'etiquetatge fàcil i informal de la folksonomia sense necessitat de cap taxonomia formal o llenguatge de marques. Des d'aleshores, els hashtags s'han referit com els "escoltes", "forats de cuc", "màquines del temps" i "venes" d'Internet. Tot i que la resposta inicial de Twitter a l'ús proposat de Messina dels hashtags va ser negativa "aquestes coses són per a nerds" una sèrie d'esdeveniments, inclòs el devastador incendi al comtat de San Diego a finals d'aquell any 2007, van veure el primer ús generalitzat de #sandiegofire per permetre als usuaris per rastrejar fàcilment les actualitzacions sobre el foc. L'ús dels hashtags es va estendre finalment a Twitter, i a finals de la dècada es va poder veure a la majoria de plataformes de xarxes socials, com Instagram, Facebook, Reddit i YouTube, tant que Instagram va haver de col·locar oficialment un espai de "30 hashtags" limitat a les seves publicacions per evitar que la gent abusés de l'ús dels hashtags. Els instagramers finalment van eludir aquest límit publicant hashtags a la secció de comentaris de les seves publicacions. L'any 2018, més del 85% dels 50 llocs web principals per trànsit a Internet utilitzaven hashtags. Posteriorment, Messina es va convertir en el líder de l'experiència de desenvolupament a Uber del 2016 al 2017 i el 2018assoliria la classificació del número 1 a ProductHunt.com. Convertint-se en un evangelista de la tecnologia que és un defensor del codi obert, estàndards oberts, microformats i OAuth. Messina també és conegut per la seva implicació per ajudar a crear els moviments BarCamp, Spread Firefox i coworking. (ca)
  • Christopher Reaves Messina (born January 7, 1981) is an American blogger, product consultant and speaker who is the inventor of the hashtag as it is currently used on social media platforms. In a 2007 tweet, Messina proposed vertical/associational grouping of messages, trends, and events on Twitter by the means of hashtags. The hashtag was intended to be a type of metadata tag that allowed users to apply dynamic, user-generated tagging, which made it possible for others to easily find messages with a specific theme or content. It allowed easy, informal markup of folksonomy without need of any formal taxonomy or markup language. Hashtags have since been referred to as the "eavesdroppers", "wormholes", "time-machines", and "veins" of the Internet. How do you feel about using # (pound) for groups. As in #barcamp [msg]? — Chris Messina's original Tweet proposing hashtag usage, August 23, 2007 Although Twitter's initial response to Messina's proposed use of hashtags was negative "these things are for nerds" a series of events, including the devastating fire in San Diego County later that year, saw the first widespread use of #sandiegofire to allow users to easily track updates about the fire. The use of hashtags itself then eventually spread on Twitter, and by the end of the decade could be seen in most social media platforms including Instagram, Facebook, Reddit, and YouTube, so much so that Instagram had to officially place a "30 hashtags" limit on its posts to prevent people from abusing the use of hashtags. Instagrammers eventually circumvented this limit by posting hashtags in the comments section of their posts. As of 2018, more than 85% of the top 50 websites by traffic on the Internet use hashtags. Messina subsequently went on to become the Developer Experience Lead at Uber from 2016 to 2017 and as of 2018 ranks as the No. 1 hunter on ProductHunt.com. He is a technology evangelist who is an advocate for open source, open standards, microformats, and OAuth. Messina is also known for his involvement in helping to create the BarCamp, Spread Firefox, and coworking movements. (en)
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  • 1981-01-07 (xsd:date)
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  • Christopher Reaves Messina (en)
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  • 1981-01-01 (xsd:gYear)
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  • 1981-01-07 (xsd:date)
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  • Christopher Reaves Messina (en)
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  • Messina in March 2016 (en)
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  • Inventing the hashtag (en)
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  • Chris Messina (en)
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  • Christopher Reaves Messina (nascut el 7 de gener de 1981) és un blogger, consultor de productes i orador nord-americà que és conegut per ser l'inventor de l'etiqueta tal com s'utilitza actualment a les plataformes de xarxes socials. En un tuit del 2007, Messina va proposar l'agrupació vertical/associacional de missatges, tendències i esdeveniments a Twitter mitjançant hashtags. L'etiqueta hashtag estava pensada per ser un tipus d'etiqueta de metadades que permetés als usuaris aplicar etiquetatges dinàmics generats per l'usuari, cosa que feia possible que altres trobessin fàcilment missatges amb un tema o contingut específic. Va permetre l'etiquetatge fàcil i informal de la folksonomia sense necessitat de cap taxonomia formal o llenguatge de marques. Des d'aleshores, els hashtags s'han refe (ca)
  • Christopher Reaves Messina (born January 7, 1981) is an American blogger, product consultant and speaker who is the inventor of the hashtag as it is currently used on social media platforms. In a 2007 tweet, Messina proposed vertical/associational grouping of messages, trends, and events on Twitter by the means of hashtags. The hashtag was intended to be a type of metadata tag that allowed users to apply dynamic, user-generated tagging, which made it possible for others to easily find messages with a specific theme or content. It allowed easy, informal markup of folksonomy without need of any formal taxonomy or markup language. Hashtags have since been referred to as the "eavesdroppers", "wormholes", "time-machines", and "veins" of the Internet. (en)
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  • Chris Messina (ca)
  • Chris Messina (open-source advocate) (en)
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  • Chris Messina (en)
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