Sphere was a blog search engine. The Sphere search engine delivered blog posts based on algorithms that combine semantic matching with authority factors to deliver results relevant to the search query.
Sphere also organized bloggers by topic.
Sphere had a variety of content distribution venues among major publishers where blog results from Sphere were presented, contextually, within news stories or other content.
Sphere was founded by Tony Conrad, CEO, Martin Remy, CTO, Steve Nieker, CIO and Toni Schneider, Advisor. The company was based in San Francisco, CA.
In 2010, Sphere was merged into AOL News.
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