Meghan Deutscher Phillip Jeffrey Nelson Siu Information Capture Devices for Social Environments. 267-270 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3295&spage=267 2004 conf/eusai/2004 EUSAI db/conf/eusai/eusai2004.html#DeutscherJS04