Google Earth (Guardian Unlimited)
A remaining joy in this gloomy world is that there's no need to venture outside to explore it. Instead, just download Google Earth, install into brain, close eyes – job done. Yep, if you're seeking disk contentment this winter then version 5.0 of Google Earth could be the best 400MB you'll ever set aside on your computer's hard drive. (There's a stripped-down iPhone/iPod Touch version, if ...