In this lesson, we are going to talk about an exciting and important topic called RubyGems. Gems are modules and classes that provide a ton of functionality, so they may even seem like magic. Essentially, these gems are nothing but Ruby code files that perform a certain task for you.
In this Ruby Programming Tutorial, we are gonna walk through how we can optimize the size of our image files using a RubyGem. We're going to be diving into how to use the image optimizer gem.
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