9 things that programmers know, but most people don't.

  • Digital content can never be moved, only copied.


  • You can never watch or listen to anything on the internet without having it copied to your computer first.


  • You cannot password protect a computer from someone who has physical access to it, only encryption works.


  • When you empty the trashcan, the files are not deleted.


  • When you format your hard drive, the files are not deleted.


  • Murphy was right.


  • Your desktop computer can run advanced programs for free that used to be available only to big companies for $100,000. Like Unix, virtual machines and SQL servers.


  • The Cloud simply means someone else’s computer.


  • That Office documents are actually ZIP files.


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