Chemical Blog Review
We just got a nice mention in a cefic review article on chemistry blogs, (although our number of visitors is only about half of that reported).
There are new professional channels for interaction emerging from the blog. Jean-Claude Bradley and colleagues set up http://usefulchem.blogspot.com/ that is an attempt to provide an open source science in chemistry. The idea is to provide a place to post specific problems in chemistry that need to be solved. It has related sites for posting useful molecules, a wikipedia site and an experiments site. The site gets around 1000 visitors a week at present, but its community is rising steadily.