Talking head
Ruby Conference 2018

This presentation, by Tony Drake, is licensed under a Creative Commons Attribution ShareAlike 3.0

To many Rubyists just starting out, gems can appear very mysterious. You list them in a Gemfile and run 'bundle install' or install them directly with 'gem install'. Suddenly, your programs gain more functionality than they had before. But what are gems? What makes them work? How can you make your own to share with the world? Let's find out.

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