A blog (a blend of the term web log) is a type of website or part of a website. Blog's are usually maintained by an individual
with regular entries of commentary, descriptions of events, or other material such as graphics or video. Entries are commonly displayed in reverse-chronological order. Blog can also be used as a verb, meaning to maintain or add content to a blog.

Most blog's are interactive, allowing visitors to leave comments and even message each other via widgets on the blog's and it
is this interactivity that distinguishes them from other static websites.

Many blog's provide commentary or news on a particular subject; others function as more personal online diaries. A typical blog combines text, images, and links to other blog's, Web pages, and other media related to its topic. The ability of readers to leave comments in an interactive format is an important part of many blog's. Most blog's are primarily textual, although some focus on art (Art blog), photographs (photoblog), videos (video blogging), music (MP3 blog), and audio (podcasting). Microblogging is another type of blogging, featuring very short posts.

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