Technological Innovation and Social Change

Wikipedia - a poeople's encyclopedia : "Wikipedia is a multilingual project to create a complete and accurate free content encyclopedia. We started in January 2001 and are currently working on 193422 articles in the English version. Visit the help page and experiment in the sandbox to learn how you can edit any article right now." OPne of the featured articles is on the TYPEWRITER, and this is great with extensive illustrations, links, etc.