Vaiva Kalnikaité Yvonne Rogers Jon Bird Nicolas Villar Khaled Bachour Stephen J. Payne Peter M. Todd Johannes Schöning Antonio Krüger Stefan Kreitmayer How to nudge in Situ: designing lambent devices to deliver salient information in supermarkets. 11-20 2011 Ubicomp http://doi.acm.org/10.1145/2030112.2030115 conf/huc/2011 db/conf/huc/ubicomp2011.html#KalnikaiteRBVBPTSKK11