Usability Views Article Details  home | timeline | recent | popular | e-reports | userati | about this site Technology timeline (21 Nov 2001) Article URL: http://www.btexact.com/publications/whitepapers?doc=42270 Read 22 more articles from British Telecom sorted by date, popularity, or title. Next Article: A Hard Drill Makes an Easy Battle This site is a labour of love built by Chris McEvoy