We see 'WHICH' adverts about how they can help you understand the powers and pitfalls of your home and work computer with a simple manual- but the manual ends up being difficult to understand on your own without the benefit of an experienced person who will look over your shoulder as I guide your keystrokes to assure that you will get all the benefits of home or business computing without any misunderstandings that may lead you to tick the wrong key - and then perhaps lose a file, letter, email, causing you to start over again.