What is a blog?
A blog is an online dairy or journal witha collection of pots intended for the public view, entries are displayed in reverse chronoligical order. Its imformation can be puilished instantly to the web and can be updated frequently. informaton can be posted to a blog such as political soap box, breaking news outlet and it can have links to other sites or blogs. it also connects people, comments can be left, viewed and responded to.

What is a blog post?
A blog post is an entry made by a blogger.

What are the components of a blog page?
Blog title, post title, date, text, advertising

Where did the name blog come from?
It is a shorteded name from webblog by Jorn Barger in december 17 1997 and the term was first used by Peter Merholz in may 1999.

How has blogs changed the nature of news from the 20th century to the 21st century?
20th century news:TV,Newspaper, Professional journalists/editors. it is one way.

21th century:
Professional & Personal
Anyone can be a reporter or write the news and anyone can read it.

Examples of blog serch engines:
-Technorati
-Blog Search

Advantages of maintaining a blog as a communication channel:
-anyone can get their voice heared
-easy to whrite
-easy to setup, cheap and affordable
-Dynamic
-could make one famous

Main disadvantages or even dangers of using a blog as a communication Channel:
-Defagmentation of character, Several cases have been brought before the national courts against bloggers concerning issues of defamation or liability.
-Negative consequenses for people named in blogs.

Dangers
-Propaganda
-Attacks on bloggers
-Leaks - release of confidential information.