Google Friend Connect offers personalization and AdSense ads

Google Friend Connect let website owners get to know their users, encourage users to get to know other and personalize their site content, including Google ads. • Custom newsletters offers newsletters. You can select to send them to your entire Friend Connect audience or send newsletters according to interest. • Google Ads - integrated AdSense with Google Friend Connect will be giving publishers the option to show relevant ads that match visitors' interests based on the details they share. • Personalized Content Gadget - Google’ll use user interests to show content throughout your site that's relevant to those interests. Here’s a quick tour of new features:

More info: Social blog