This document discusses statistics related to social coding on GitHub. It notes that there are 668,000 people hosting over 1.9 million git repositories on GitHub. It also provides examples of popular repositories on GitHub like the zepto repository which has been forked by several users, and mentions that the homebrew repository has over 2,000 forks and contributions to the erlang repository have increased 500%. Additionally, it states that GitHub sees over 3,000 new projects created each day.