The WayBack Machine
Remember when you found that perfect article a year ago and now the link is gone? Or maybe you’ve got the address for a dead website that you really need to use. Or the website you need had a redesign and you cannot find the links you are looking for. Then you might try using the WayBack Machine at www.archive.org.
This nifty little device archives the internet up to six months ago. All you do is plug a URL into the box, and you can look at that page as it used to be—six months ago, a year ago, four years ago, you name it. It’s incredibly handy if you want to look at a website that has changed, or find a document after a link disappeared or broke. Go play around—it is a very useful tool.