Google’s Realtime Search has a new home at http://google.com/realtime and new tools to make your real-time search experience faster and more comprehensive. Learn about Realtime’s geographic refinement and conversations feature and learn how to set up your own Google Alerts for Realtime results.
What is really cool about this tool (and should be used as a tool) is that you can observe what and more importantly HOW people are using keyphrases and/or what people are saying about a particular subject.
This should go along way in your social media marketing strategies
Great tool for keyword research, content sourcing and/or just getting involved in online conversations.