I have been using the Zemanta firefox plugin for a while now and now the Drupal module is installed on the JEM portal. Zemanta uses the semantic web to scout for images and links that might be useful when you are writing a blog entry. I think the idea is a good one and worth of explorations from the point of view of mathematics, say by integrating search engines and smart scientific text analyzers to suggest possible connections.

I followed Olga's example and registered my blog with Technorati. It seems to me that my blog is an excellent way to carry a discussion with friends, colleagues and students. Eventually they may even response to my comments.