WordPress Yahoo Answers plugin, using the Yahoo api it automatically drip-feeds questions as blog posts based on keywords you setup.
When setting up keywords, select from 13 different countries, and category selection (US region only). Retrieve ALL or the BEST answer and post as comments. As well as automatically create post tags.
Plus for each keyword, select a wp category, author and post status (published, pending review, draft, or private). Full details… WP answers!