Market Share for the Top 5 Questions-Answers Websites

The Q&A market have all along been dominated by Yahoo Answers though WikiAnswers have seemed to snatched a heavy chunk of market share over the past year from Yahoo. The top 5 sites with their market shares in the past year:

1. Yahoo Answers - 74.05%
2. WikiAnswers - 18.35%
3. AnswerBag - 4.51%
4. Ask Metafilter - 1.80%
5. Askville - 0.85%

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