A blog (a blend of the term web log) is a type of website or part of a website. Blogs 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. Blogging refers to maintaining or adding content to a blog.
Most blogs are interactive, allowing visitors to leave comments and even message each other. Interactivity distinguishes blogs from other websites.
Many blogs 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 blogs, 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 blogs. Most blogs are primarily textual, although some focus on art (art blog), photographs (photoblog), videos (video blogging or vlogging), music (MP3 blog), and audio (podcast). Microblogging is another type of blogging, featuring very short posts.
In education blogs can also be used for posting news and assignments to students. Teacher may also use a blog for sharing links to educational websites that will enhance students’ knowledge and understanding of concepts and topics discussed in class. Students' comments or postings may be invited on issues in order to give them a writing voice. Students may even be asked to write a reflective learning diary/journal that they may share either with other students or only with their teacher.
Some Examples are:
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