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Definitely not a 5min read though

But on the other hand, you cannot really expect a full explanation of software patterns in 5 minutes.

Actually it was. It was ok as an overview.

I think he meant the mentioned O'Reilly link isn't a 5 minute read.

According to Instapaper, the O'Reilly article is a 43 minute read.

This would take 5 minutes to read if you already know what you're looking for and you use it as a reference or refresher.