Yahoo! Answers – Get answers, ask questions, find information - Home#recherche#web2.0#collaboration·answers.yahoo.com·Aug 20, 2006Yahoo! Answers – Get answers, ask questions, find information - Home
Mahalo.com: Human-powered SearchMahalo is the world's first human-powered search engine.#collaboration#web2.0#research#recherche·mahalo.com·Aug 28, 2007Mahalo.com: Human-powered Search