what was up with the Github and 37signals references? They both use Ruby on Rails which could be considered a niche technology, 37signals even admits to use the

what was up with the Github and 37signals references? They both use Ruby on Rails which could be considered a niche technology, 37signals even admits to use the most bleeding edge version live in production before they even put out a beta of the version to the public so if anything referencing them is actually hurting the article