Via Threadwatch (and its new man in charge, Aaron Wall), word that MSN Search is also using quality raters to revew and rate results.
We’ve posted in the past about quality raters at Google and Yahoo in these and other posts:
+ Google Looking for Spanish Language Quality Raters
+ Google Rater Hub – Details Of Human Review System Unveiled
+ Interested in Evaluating Search Quality and Advertising for Google?
+ Want to Be a Relevance Analyst?
This post talks about similar types of reviewer positions at Yahoo.