Well, she failed to mention "make sure computer is plugged in". Please, it's 2012, if you are using an asynchronous framework, doing things asynchronously should hardly be a surprise. And serving static content via a CDN or Nginx has knowledge order than dirt. This information would be fine if I was reading a college students blog, but this is LinkedIn, I expect something a little bit more. Maybe the next blog post will be on how to store salted passwords?