TY - CHAP T1 - Empirical analysis of functional Web 2.0 environments T2 - Web 2.0 Y1 - 2009 A1 - Stephens, R T JF - Web 2.0 PB - Springer SN - 0-387-85894-6 UR - http://s3.amazonaws.com/academia.edu.documents/29298225/web-2-0-the-business-model.9780387858944.37500.pdf?AWSAccessKeyId=AKIAIWOWYYGZ2Y53UL3A&Expires=1485297567&Signature=7%2FxsPt%2FE38ZJoCbxQCfgC6r2PWY%3D&response-content-disposition=inline%3B%20filenam ER -