Chad Perrin wrote:

> Yes, he decided to write it himself -- after giving up on Rails, for
> reasons that, as far as I'm aware, relate to the fact that it wasn't 
> done in Rails after two years.

Actually, if I can be allowed to read between the lines, he went back 
when his Ruby mentor left and he realized that he was not able to do it 
in Ruby.  He went back to what he knew when he was left on his own.  He 
sort of says that in the post.

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