True, but Github does use the halo of "Open Source" a lot to promote themselves (or others promote them using it..e.g. http://www.wired.com/opinion/2013/03/git

True, but Github does use the halo of "Open Source" a lot to promote themselves (or others promote them using it..e.g. http://www.wired.com/opinion/2013/03/github/ http://www.wired.com/opinion/2013/03/github/) while overlooking the fact that most of their codebase is very close sourced indeed.