Why every developer uses Git.

Git allows us to have a “version” of a project which shows the changes that were made to the code over time, and allows us to backtrack if necessary and undo the changes.

Simple Storage Service

Before we use promises, our code was full of confusing callback tricks and asynchronous. Switching to promises made our code easier to read, understand, and test.

Why we don't need a degree to be a Developer.

That's right. You don't need a degree to be a developer. Whilst university is definitely the right path for some people, it is not right for everyone.