What is Google’s thinking about links from article marketing, widgets, etc?

What is Google’s current thinking about getting links from article marketing, widgets, footers, themes, etc.? Matt Cutts, Mountain View 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 More resources for webmasters: www.google.com