Imagine if you're responsible for managing a large software project. How do you keep your code bug-free? How do you integrate the contributions of many developers into one final product? And how do you prevent a random hacker from deleting everything? There's a common tool that developers use - git - that aims to address these problems. It's a tool that 99.9% of software developers use, making it even more of a shame that it isn't taught in a lot of high schools.