Compression is everywhere. It's used to more efficiently store data on hard drives, send TV signals, transmit web pages like this one, stream Netflix videos, package up video games for distribution, the list is endless. Almost no significant area of modern computing exists that doesn't make use of compression technologies.
So what is it?
Whether you've been using desktop compression software for years, or never thought about it at all, this article will try to explain a little of what goes on under the hood when you squash a file or stream a video. We'll look into the answers to the big questions, and probably raise more new ones along the way.
What does it mean to compress something?
How can you make something smaller than it already is?
How do you practically go about doing that?
Let's get to work!
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