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Internet Streaming

(US Navy Blue Angels, San Francisco Fleet Week - Jeff M. Wang)


Streaming is a technology used to deliver content to computers and mobile devices over the internet. Streaming transmits data - usually audio and video, but increasingly other kinds (i.e., music, movies, web pages, emails, etc.) as well - as a continuous flow, which allows the recipients to begin to watch or listen almost immediately.

There are two ways to download content over the Internet: Progressive downloads and Streaming. 

  • Progressive downloads are the traditional kind of download that anyone who's used the Internet is familiar with. When you download an app or game or buy music from the iTunes Store, you need to download the entire thing before you can use it. 
  • Streaming allows you to start using the content before the entire file is downloaded. Take music: When you stream a song from Apple Music, you can click play and start listening almost immediately. You don't have to wait for the song to download before the music starts. This is one of the major advantages of streaming. It delivers data to you as you need it. 

For downloads, the data is stored on your device until you delete it. For streams, the data is automatically deleted after you use it (unless you save it for offline listening, which is a kind of download).

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