What about Yahoo Answers? I hate seeing their results show up in the top 3 when I do a Google search. They're always low quality and not useful.
Example: https://www.google.com/search?&q=what+is+3+lbs+in+kg+site%3A...
Add Experts-Exchange to the blacklist while you're at it.
Their value would be a lot higher if they could seamlessly transfer ownership of the property. Rebranding costs users.