RESEARCH + IPHONE (3)
The Energy Collective
http://theenergycollective.comThe Energy Collective is an independent, moderated community of professionals focused on the complex challenges of meeting the world's energy needs sustainably. Our members are our content contributors, and include leading scientists, activists, policy makers, executives and entrepreneurs.
Wikipedia
http://en.wikipedia.orgWikipedia is a multilingual, web-based, free-content encyclopedia project based on an openly editable model. The name "Wikipedia" is a portmanteau of the words wiki (a technology for creating collaborative websites, from the Hawaiian word wiki, meaning "quick") and encyclopedia. Wikipedia's articles provide links to guide the user to related pages with additional information.
Diigo
http://www.diigo.comIf you browse or read a lot on the web, we believe you will find Diigo indispensable. Diigo is two services in one -- it is a research and collaborative research tool on the one hand, and a knowledge-sharing community and social content site on the other.