Notchup, LinkedIn, and the Walled Garden Dilemma

Social graph data is precious stuff, and sites like LinkedIn face a difficult choice: They can open up their relationship maps and risk losing their core value, or they can turn their sites into walled gardens -- keeping relationships to themselves, but constantly fending off contact harvesters.…

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Does the World Need Another Way to Search?

Despite Google being the undisputed leader in the search market -- despite the fact that many of today’s Internet users still don’t know how to use a search engine -- hundreds of startups are trying to build a better search tool. Why?…

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