Dedicated to all who are building the information commons.
Copyright: 2005 Eric von Hippel. Exclusive rights to publish and sell this book in print form in English are licensed to The MIT Press. All other rights are reserved by the author. An electronic version of this book is available under a Creative Commons license.
≅ SiSU Spine ፨ (object numbering & object search)
(web 1993, object numbering 1997, object search 2002 ...) 2024