Kris Luyten Kristof Thys Steven Huypens Karin Coninx Telebuddies: social stitching with interactive television. 1049-1054 2006 conf/chi/2006a CHI Extended Abstracts http://doi.acm.org/10.1145/1125451.1125651 db/conf/chi/chi2006a.html#LuytenTHC06