Usability Views Article Details  home | timeline | recent | popular | e-reports | userati | about this site Machines that answer back (06 Dec 2001) Software for analysing e-mail inquiries from customers and replying automatically is doing a surprisingly good job. Article URL: http://www.economist.com/science/tq/displayStory.cfm?story_id=885070 Read 37 more articles from Economist sorted by date, popularity, or title. Next Article: Mightier than the pen? This site is a labour of love built by Chris McEvoy