The idea behind Google Moderator is that questions are asked to a group of participants and these people can vote upon the question. Sounds like a social site to me. ;)
Barry suggests over at Search Engine Land that this is a bit like Yahoo Suggestions, and he may be right. But Barry also mentions that Yahoo Suggestions is specific to Yahoo feedback, and users can go crazy with Google Moderator -- it's not limited to anything.
Pretty cool tool. Check it out.
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