Instagram is a photo and video sharing social networking service owned by American company Meta Platforms. The app allows users to upload media that can be edited with filters, be organized by hashtags, and be associated with a location — via geographical tagging. Posts can be shared publicly or with preapproved followers. Users can browse other users' content by tags and locations, view trending content, like photos, and follow other users to add their content to a personal feed.
Instagram was originally distinguished by allowing content to be framed only in a square (1:1) of 640 pixels to match the display width of the iPhone at the time. In 2015, this restriction was eased with an increase to 1080 pixels. It also added messaging features, the ability to include multiple images or videos in a single post, and a Stories feature—similar to its main competitor Snapchat—which allowed users to post their content to a sequential feed, with each post accessible to others for 24 hours. As of January 2019, Stories is used by 500 million people daily.
Originally launched for iOS in October 2010 by Kevin Systrom and Mike Krieger, Instagram rapidly gained popularity, with one million registered users in two months, 10 million in a year, and 1 billion by June 2018. In April 2012, Facebook Inc. acquired the service for approximately US1billionincashandstock().TheAndroidversionwasreleasedinApril2012,followedbyafeature−limiteddesktopinterfaceinNovember2012,aFireOSappinJune2014,andanappforWindows10inOctober2016.,over40billionphotoshadbeenuploaded.Althoughoftenadmiredforitssuccessandinfluence,Instagramhasalsobeencriticizedfornegativelyaffectingteens′mentalhealth,itspolicyandinterfacechanges,itsallegedcensorship,andillegalandinappropriatecontentuploadedbyusers.InstagrambegandevelopmentinSanFranciscoasBurbn,amobilecheck−inappcreatedbyKevinSystromandMikeKrieger.OnMarch5,2010,Systromcloseda500,000 () seed funding round with Baseline Ventures and Andreessen Horowitz while working on Burbn.
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L'objectif de ce cours est d'apprendre à réaliser de manière rigoureuse et critique des analyses par éléments finis de problèmes concrets en mécanique des solides à l'aide d'un logiciel CAE moderne.
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Tumblr (pronounced "tumbler") is a microblogging and social networking website founded by David Karp in 2007 and currently owned by American company Automattic. The service allows users to post multimedia and other content to a short-form blog. Users can follow other users' blogs. Bloggers can also make their blogs private. For bloggers, many of the website's features are accessed from a "dashboard" interface. Tumblr hosts more than 572 million blogs.
Dropbox is a operated by the American company Dropbox, Inc., headquartered in San Francisco, California, U.S. that offers cloud storage, , personal cloud, and client software. Dropbox was founded in 2007 by MIT students Drew Houston and Arash Ferdowsi as a startup company, with initial funding from seed accelerator Y Combinator. Dropbox has experienced criticism and generated controversy for issues including security breaches and privacy concerns. Dropbox has been blocked in China since 2014.
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This paper presents an analysis of the role of social media, specifically Twitter, in the context of non-fungible tokens, better known as NFTs. Such emerging technology framing the creation and exchange of digital object, started years ago with early proje ...
ACM2022
Language has shaped human evolution and led to the desire to endow machines with language abilities. Recent advancements in natural language processing enable us to achieve this breakthrough in human-machine interaction. However, introducing conversational ...