How are spam reports prioritized?

Neil M Hancock from Newcastle asks: “Is there a minimum number of spam complaints about a domain and/or SERP before Google reviews the complaint? Presumably you get thousands of spam complaints daily, are these sorted into any order to be reviewed? The most popular first?” Thisvideo is part of a “Grab Bag” series in which Matt Cutts, head of Google’s webspam team, answers questions from webmasters. We’re not currently taking new video questions, so your best bet for getting an answer about webmaster-related search issues is to head to our help forum: www.google.com