What is a Blog? 

The word blog is a contraction of weblog. A weblog is a kind of website in which information is laid out in a series of time-stamped postings. The most recent postings are found at the top of the page, laid out in reverse-chronological order. 

Part 2

The effect is like reading a diary in reverse. Initially blogs were created using standard web-creation tools. In recent years specialized blogging software and websites have allowed bloggers to quickly and easily create and update sites. 

• As blogging became easier, it attracted citizen journalists and political pundits—this has defined the blogging culture. 
• Many blogs are expected to have the following characteristics: 

Blogs do not have to be a one-way communication channel. Each posting can have an area for readers to add their own comments.