Blog is short for Web Log. It's kinda like an e-zine maybe? Here are some resources that explain it better than I can.http://encarta.msn.com/encnet/refpages/SRPage.aspx?search=Blog
A sampling of the resource links there ...
1.
Blog ArticleEncarta Encyclopedia
Found in the Periodicals article
2. Books about "Blog"
Barnes & Noble
Search Barnes & Noble.com for books about "Blog" Periodical articles about "Blog"
eLibrary
Search eLibrary for periodicals about "Blog"
Whoops ! The link in the first sample "Blog" is bad. And for some reason, I can't make it work properly. On the main link (in RED) in my previous post, that link for my bad "Blog" link works. Sorry for the confusion ...