Man, I totally would love it if my company would let us use github for our source control. Unfortunately, we are strictly not allowed to store anything outside of the company servers for security reasons and I'm reasonably sure the local github service cost would necessitate making a successful case that we should transition the entire company to it. Which involves not just proving that github is a better source control management suite, but that the git model is superior to the centrally managed, monolithic perforce model we use.