Mahalo.com

Mahalo.com is a web directory (or human search engine) and Internet-based knowledge exchange (question and answer site) launched in alpha test in May 2007 by Jason Calacanis. It differentiates itself from algorithmic search engines like Google and Ask.com, as well as other directory sites like DMOZ and Yahoo! by tracking and building hand-crafted result sets for many of the currently popular search terms. The company also develops mobile apps. Mahalo means "thank you" in Hawaiian. Mahalo.com President Jason Rapp exited the company in September, 2012.

Read more about Mahalo.com:  Directory, Search Results Quality, Mahalo Daily, Mahalo Answers, Mobile Applications, Criticism, Traffic and Growth