> I expect those four guys won't keep their system in Rails forever. For people who didn't know this, I would like to add that Twitter was written in Rails as

> I expect those four guys won't keep their system in Rails forever. For people who didn't know this, I would like to add that Twitter was written in Rails as well. They switched later on for a couple of reasons[stackoverflow]. [stackoverflow] https://stackoverflow.com/questions/9747857/why-couldnt-twitter-scale-by-adding-servers-the-way-sites-like-facebook-have https://stackoverflow.com/questions/9747857/why-couldnt-twit...