Usability Views Article Details  home | timeline | recent | popular | e-reports | userati | about this site Seven +/- 32768 (01 Oct 1998) Article URL: http://www.asktog.com/columns/013SevenPlusOrMinus.html Read 66 more articles from Bruce 'Tog' Tognazzini sorted by date, popularity, or title. Next Article: Short Takes on Linux This site is a labour of love built by Chris McEvoy