They used dropbox as an SCM? I guess that works, especially when you really only have 1 coder, but I can see it getting gross fast with multiple coders.
yes, that definitely works only if you have 1 coder. fellow students of mine used email for SCM while working on a school project. it was pretty funny to hear that, since a) the major was Computer Science and b) the university would have set up SVN repositories on request (on university servers). well, after we told them about SVN and various other SCMT, they stopped pretty fast to use email for such an important task.
Dropbox is much more convenient for non-coders, and there's nothing stopping the developer from additionally running `git init`.
Yes, Dropbox + git works absolutely fine even with two coders. All you have to do is git init inside a shared Dropbox folder.