Usability Views Article Details  home | timeline | recent | popular | e-reports | userati | about this site Hart’s Law; The Magical Number Three, Plus or Minus Zero (01 Apr 2002) Article URL: http://www.stcsig.org/usability/newsletter/0204-hartslaw.html Read 151 more articles from STC Usability SIG sorted by date, popularity, or title. Next Article: How Usable Software Can Liberate Users from the Routine of Boy Scout Administration This site is a labour of love built by Chris McEvoy