Natalia Marmasse Chris Schmandt David Spectre WatchMe: Communication and Awareness Between Members of a Closely-Knit Group. 214-231 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3205&spage=214 2004 conf/huc/2004 Ubicomp db/conf/huc/ubicomp2004.html#MarmasseSS04