Updated: Raspberry Pi: Everything you need to know

IntroductionNote: Our everything you need to know about Raspberry Pi feature has been fully updated. This article was first published in March 2012.The year was 2012, and while most eyes were looking at the imminent arrival of Windows 8, another computing story was quietly gathering momentum. Fast forward to today and it's amazing to think how far the Raspberry Pi has come since its launch.This barebones PC launched for a pittance, and has astonishingly managed to become even cheaper, with the l