The Top Useful Site 
Not only did people feel like they were putting in their two cents but there were certain types of business categories (like hotels) where a number rating was complimented well by someone's perception of how upscale, or expensive a business may be.&q...
Popular Local Search - Everyone
It provides user-reviews outside of the popular and over-crowded categories such as restaurants, accommodation and stores
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Grayboxx Founder says Algorithm/Human Balance Useful in Local Search
From the start, the whole idea was premised on the fact that user reviews did a decent job in a certain number of categories when it comes to local search
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Popular Grayboxx Launches Local Search
Grayboxx collects consumers' implicit endorsements through its PreferenceScore algorithm. For example, when someone makes a restaurant reservation online through a site that participates in Grayboxx's network, that action becomes an endorsement, and ...
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Grayboxx - Popular and Most Recommended Local Search Engine
Local search site launches nationally, adding user reviews to implicit recommendations based on transactions in the neighborhood