Reading through the blogroll, it’s interesting tracking the various ideas and topics as they flow. But if you join in the conversation half way though, how can you make sure you have the picture? One of the recent topics has been this very subject, and now there’s an answer – BlogPulse. Using key words, you can now track which blogs mentioned something first and the meme epidemiology. So you can follow trends, hot words and the full path of conversations. There’s other tools out there, from Technorati to Blogrunner, but BlogPulse comes with some cool analytical tools and is well worth a play.