That's what he is talking about though - he used node.js and redis on a production site when neither are close to production ready. Thanks to him though, both a

That's what he is talking about though - he used node.js and redis on a production site when neither are close to production ready. Thanks to him though, both are improving rapidly and should be production ready before long, so kudos. His whole article is about "woops, going with the latest tech wasn't such a good idea - here is what you can learn from this". So yes, he is using the latest fancy web page UX and he has written an article about what he has learned. Next site he makes will probably be using well proven UX.