Lucia Terrenghi Armin Prosch CSCL at Home: Affordances and Challenges of Ubiquitous Computing. 228-237 2007 conf/hci/2007-6 HCI (6) http://dx.doi.org/10.1007/978-3-540-73281-5_24 db/conf/hci/hci2007-6.html#TerrenghiP07