Aaron Spaulding Krzysztof Z. Gajos Anthony Jameson Per Ola Kristensson Andrea Bunt Will Haines Usable intelligent interactive systems: CHI 2009 special interest group meeting. 2743-2746 2009 CHI Extended Abstracts http://doi.acm.org/10.1145/1520340.1520396 conf/chi/2009a db/conf/chi/chi2009a.html#SpauldingGJKBH09