Is freshness an important signal for all sites?

Google has expressed in the past that frequently updated pages get a boost in rankings (QDF), that seems to favor blogs and news sites over company sites, which have less reason to be updated often. How important of a signal is “freshness”? Ivan, Canada Have a question? Ask it in our Webmaster Help Forum: groups.google.com Want your question to be answered on a video like this? Follow us on Twitter and look for an announcement when we take new questions: twitter.com More videos: www.youtube.com Webmaster Central Blog: googlewebmastercentral.blogspot.com Webmaster Central: www.google.com