The following is a video from Philip Rosedale of Second Life speaking at TED. From a search engine and information retrieval perspective the video get interesting at about minute 9:00 . He poses the thought that things are going to change that the text web will eventually be replaced by imagery and symbology in virtual worlds. Also interesting is his example of how the web is devoid of social interaction in shopping and e-commerce environments.
Philip Rosedale From Second Life on Information Retrieval
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