That model of Bitbucket came up AFTER Github established itself.
[1]: http://techcrunch.com/2010/09/29/atlassian-buys-mercurial-pr...
True, and I also find it BETTER. It actually came when Atlassian bought out BitBucket[1].
Wow, I never knew that. I thought Atlassian created BitBucket. Thanks for the link.