Sunny Consolvo Predrag V. Klasnja David W. McDonald Daniel Avrahami Jon Froehlich Louis LeGrand Ryan Libby Keith Mosher James A. Landay Flowers or a robot army?: encouraging awareness & activity with personal, mobile displays. 54-63 2008 UbiComp http://doi.acm.org/10.1145/1409635.1409644 conf/huc/2008 db/conf/huc/ubicomp2008.html#ConsolvoKMAFLLML08