There have been a range of "answer engines" or "help engines" (Q&A sites) that have come and gone over the years. Some of them might be considered "social search."
Yahoo Answers, Ask.com (more recently focused on Q&A), Answers.com, Askville (Amazon), ChaCha, Keen, JustAnswer/Pearl are among those that remain and still exist. Verticals with Q&A angles are also seeing success because of their more focused content.
Pearl, mentioned above, is a paid service that is reportedly doing very well focused on professional advice. But most of the other Q&A sites are struggling. Quor [...]
Related Topics: Channel: Social | Search Engines: Help Engines | Top News