There are probably as many definitions as there are bloggers. People use blogs as online journals to share their "stories" -- anything they find interesting or newsworthy. Some authors use blogs to get input on their story ideas! Professional and amateur journalists use blogs to publish breaking news ...
more in Wikipedia and another
How and Why of Business Blogging. Blogs are also a wonderful source for recommendations by like-minded individuals on as many topics as their are interests. Remember -- it's OK to look outside of education to find out what would work in an educational setting! Visit
Technorati to find out
Who's Saying What. Right Now.
Also see:
Blogs may include images, audio (podcasts), and video (vodcasts/vlogs). Blogs may be private -- shared with networks of friends and family; or public -- have a worldwide audience of thousands.
What makes a blog more than an online journal:
Why Blog