Blog n. A Web log. vi. To run a Web log.
First spotted on the Eatonweb blog, er, Web log on 1999-08-25, [...]
The verb to blog seems to me to be intransitive. That is, Brigitte doesn't blog eatonweb, she simply blogs. A Web tool has arisen to aid in the endeavors of wannabe bloggers; it is, of course, blogger.com.