Earlier this year, Apple uploaded an interesting corporate employee recruiting video. It might just be the most in-depth tour of Apple’s Cupertino headquarters that we have ever seen on a public forum, especially Apple’s own website.

The video takes you through Apple’s engineering labs, let’s you see how the Apple website team examines web pages, discusses the backstory on Apple’s work on new battery chemistry, tells the true, and interesting, backstory on the creation of the iPad 2′s Smart Cover, and more.

Notably, Apple’s VP of Human Resources and Dean of Apple University, Joel Podolny, narrates much of the four minute clip. The video is definitely worth a watch for any Apple fan, after the break: