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All of the things you mentioned are stored in database files, so yeah it's all about file sharing. Although I would disagree that pizza delivery is a piece of

• TheSOB88 17y ago
  The difference is that users aren't sharing data with each other, but rather companies are providing services by giving you data. And a file is just a way to store a database in order to interface with the OS, not the way records themselves are stored. Point is, the Internet is a lot more nuanced than "file sharing".