Whether you’re a rapper who’s become too rich and powerful, or a web framework that’s become popular beyond anyone’s expectations, one thing is true: haters gonna hate. This is the case with Ruby on Rails, perhaps more so than any other topic in the developer community in recent years. It’s the code messiah, or it’s worthless – everyone has their opinion. In any event, Ruby on Rails powers many of the web’s most popular services – Airbnb, Groupon, and Hulu to name a few – and is at the heart of at least 250,000 other sites on the internet. Let’s dive in and take a closer look at what it is.