You are a clever and talented person. You create beautiful designs, or perhaps you have architected a system that even my cat could use. Your peers adore you. Your clients love you. But, until now, you haven’t *&^#^! been able to make Git work. It makes you angry inside that you have to ask your co-worker, again, for that *&^#^! command to upload your work. It’s not you. It’s Git. Promise.
If you think of Git as "fun," you can play this fun Git branching tutorial game!
GitHub was intended to be an open software collaboration platform, but it’s become a platform for much, much more than code. It’s now being used by artists, builders, home owners, everyone in between, entire companies … and cities. - The GitHub revolution.
Git is the version control system that inspired social coding, music videos, and now a party game (pdf).