Web 2.0 was about Mashups, rich and collaborative applications. Now the terminology has moved onto Web 3.0, where it is all about Semantics or meaning.
Various alternative search engines have cropped up which apart for searching content (similar to google) try to group the results semantically. For example: Hakia. This is a search engine that is perpetually in beta and is about searching for meaning.Quintura is als
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