This is from Webopedia:
(n.) Short for Web log, a blog is a Web page that serves as a publicly accessible personal journal for an individual. Typically updated daily, blogs often reflect the personality of the author.
(v.) To author a Web log.
Other forms: Blogger (a person who blogs).
I’ve found that so many agricultural communications folks don’t know much about it that I thought it might be helpful to put a definition.
I would add that this year will be the year that companies start using blogging and RSS as a way to communicate in a very personal way and to easily syndicate that information.
I wish there was a prettier word to use than blog though.