Or, learn to code the next Facebookâ„¢ in your spare time. Really for true about the Facebookâ„¢ part. It was initially written using this technology so that should give you some idea what is possible if you master this idiom. Admittedly, it doesn't scale to 800 million users, but it is pretty serviceable for most people and it's free. Learning to program earns you power. Steadily all of the machines around us are morphing into computers surrounded by hardware that mediates the processor's interaction with the physical world. To change the behavior of any given machine all you need...