TY - JOUR T1 - A National Initiative for Social Participation JF - ScienceScience Y1 - 2009 A1 - Shneiderman, Ben VL - 323 SN - 0036-8075, 1095-9203 UR - http://www.sciencemag.org/content/323/5920/1426 CP - 5920 M3 - 10.1126/science.323.5920.1426 ER -