Ruby Introducing Ruby Ruby is a powerful, yet easy-to-learn object-oriented programming language with a nice clean syntax. It was invented in Japan in the mid-nineties, but has really taken off in recent years, largely thanks to the Ruby on Rails framework, which lets you easily write powerful dynamic websites and web apps in Ruby. As well as being popular with web developers, Ruby is also used for many other purposes, including system administration tasks and writing GUI-based desktop apps for Windows, Mac OS and Linux. Ruby is, by default, an interpreted language, much like PHP, Perl and Python. This means that you need to install a Ruby interpreter to process and run your Ruby programs and scripts. Who uses Ruby? Ruby is an incredibly powerful and highly scalable object-oriented language. Leading technology companies & startups around the world use Ruby or the Ruby on Rails framework to power their websites & web applications. They include: * Amazon * Twitt...