The case for Structured Portable Social Networks, from a user perspective. Video of talk: http://www.viddler.com/explore/steph/videos/35 Talk given at WebCampSNP in Cork, Ireland (02.03.2008, BlogTalk). See: http://climbtothestars.org/archives/2007/08/16/we-need-structured-portable-social-networks-spsn/