If you've wanted to add some social functionality to your website but aren't a hardcore developer, then things just got a bit easier - if you're using Drupal or Joomla. The two content management systems can now incorporate Google Friend Connect to any site with the ease of a handy dandy plugin.
If you do so, then visitors to your site can interact by signing in with their Google, Yahoo or Twitter accounts. You can promote Featured Content, get opinions with Interest Polls - and even integrate monetization through AdSense. (In fact, Google uses interests on Friend Connect to serve up relevant AdSense ads.