I've wanted to build a code snippets app for a long time now, so this project was really interesting in a number of aspects. I think most importantly, it showed how something as seemingly complex as Codepen, once broken down into its constituent parts, is actaully quite simple. Second, the project uses tools which can be easily ported over to a snippets app, such as localStorge and obviously being able to write and display code in a variety of different syntaxes.