Frank Bentley Joe Tullio Crysta J. Metcalf Drew Harry Noel Massey A Time to Glance: Studying the Use of Mobile Ambient Information. 2007 Ambient Information Systems http://ceur-ws.org/Vol-254/paper01.pdf conf/pervasive/2007ais db/conf/pervasive/ais2007.html#BentleyTMHM07