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  • Live streaming

    Live-streaming refers to online streaming media simultaneously recorded and broadcast in real time. It is often referred to simply as streaming, however this abbreivated term is ambiguous due to the fact that "streaming" may refer to any media delivered and played back simultaneously without requiring a completely downloaded file. Non-live media such as video-on-demand and YouTube videos are technically streamed, but not live-streamed.

    Live-stream services encompass a wide variety of topics, from social media to video games. Platforms such as Facebook Live, Periscope, Kuaishou, and 17 include the streaming of scheduled promotions and celebrity events as well as streaming between users, as in videotelephony. Sites such as Twitch.tv have become popular outlets for watching people play video games, such as in eSports, Let's Play-style gaming, or speedrunning.

    In the field of social media, the term "live media" refers to new media that use streaming media technologies for creating networks of live multimedia shared among people, companies and organizations. Social media marketer Bryan Kramer describes live streaming as an inexpensive "key marketing and communications tool that helps brands reach their online audience." Users can follow their friends' live video "shares" as well as "shares" related to specific content or items. Live media can be shared through any Internet website or application; thus, when people browse on a specific website, they may find live media streams relevant to the content they look for.

    Live media can include coverage of various events such as concerts or live news coverage viewed using a web browser or apps such as Snapchat. James Harden and Trolli promoted an upcoming NBA All-Star Game through Snapchat. Many of LaBeouf, R|nkk| & Turner's performance art were live streamed, such as a stream of Shia LaBeouf in a theater viewing all his movies.

    In March 2015, Twitter launched a live streaming app called Periscope. Normally, users would see a hyperlink attached to their broadcast, directing people to a new tab. Using Periscope, videos appear live on the timeline. If the user has allowed the site to share information, others can see where the user is streaming from. During the broadcast, users can comment, talk to the broadcaster, or ask questions. Kayvon Beykpour, CEO of Periscope, and Dick Costolo and Jack Dorsey, CEOs of Twitter, all shared a common goalīto invent something that would merge both teams into one instead of as partners. The team wanted to give people more accessibility for both Twitter and Periscope. Their solution was a combination of live streaming and Twitter.

    Lifestreaming or lifecasting involves the continuous broadcasting of daily events in one's life. Justin Kan founded Justin.tv as a website for his own continuous lifecasting, and is credited with popularizing the style.Will Partin of Rolling Stone described a life streamer as someone who "streams several hours of his conspicuously eventful life almost every single day.

    An example of a notable live streamed event is Games Done Quick, a charity speedrunning marathon hosted on Twitch. Viewers are encouraged to donate for incentives during the stream such as naming characters in a run, having the runners attempt more difficult challenges, or winning prizes. Over $10 million has been raised across sixteen marathons.

    Many instances of crimes such as rape and assault, along with suicides, have been streamed live, leaving little to no time for administrators to remove the offending content. Live streamed crimes became a trend in the mid-2010s with widely reported incidents such as assaults and suicide streamed through Periscope in 2016 and the kidnapping of a man in Chicago streamed through Facebook Live in 2017. A mass shooting in Jacksonville, Florida, resulting in the deaths of two in addition to the shooter, occurred during a Madden NFL 19 tournament. Part of the Christchurch mosque shootings was streamed on Facebook Live by the perpetrator for 17 minutes.