This is the original of the article that was published in MHISIG (Mental Health Informatics Special Interest Group of the Royal College of Psychiatrists (RCPsych), UK) Connect # 17, February 2006; p6-9. [URL: http://www.rcpsych.ac.uk/pdf/connectfebruary2006.pdf] (Editors: Matthew Evans & Fionnbar Lenihan) in 2006