1. 2006-07-28 [4] [Olpc-open] Pledgebank for $100 laptop olpc-open Ivan Krstic 2. 2006-07-28 [1] [Olpc-open] Introduction olpc-open Frederic Horn 3. 2006-07-07 [1] [Olpc-open] Nicholas Negroponte interview at NECC 6th olpc-open Charbax