• • • A blog (a of the expression ' weblog') is a discussion or informational published on the consisting of discrete, often informal -style text entries (posts). Posts are typically displayed in reverse chronological order, so that the most recent post appears first, at the top of the web page. Until 2009, blogs were usually the work of a single individual, [ ] occasionally of a small group, and often covered a single subject or topic. In the 2010s, 'multi-author blogs' (MABs) emerged, featuring the writing of multiple authors and sometimes professionally edited.

Free weblog publishing tool from Google, for sharing text, photos and video. Search the world's information, including webpages, images, videos and more. Google has many special features to help you find exactly what you're looking for.

MABs from, other media outlets,,,, and similar institutions account for an increasing quantity of blog traffic. The rise of and other ' systems helps integrate MABs and single-author blogs into the news media. Blog can also be used as a verb, meaning to maintain or add content to a blog.

The emergence and growth of blogs in the late 1990s coincided with the advent of web publishing tools that facilitated the posting of content by non-technical users who did not have much experience with. Previously, a knowledge of such technologies as and had been required to publish content on the Web, and early Web users therefore tended to be and computer enthusiasts. In the 2010s, the majority are interactive websites, allowing visitors to leave online comments, and it is this interactivity that distinguishes them from other static websites. In that sense, blogging can be seen as a form of. Indeed, bloggers do not only produce content to post on their blogs, but also often build social relations with their readers and other bloggers. However, there are high-readership blogs which do not allow comments.

Many blogs provide commentary on a particular subject or topic, ranging from politics to sports. Others function as more personal, and others function more as of a particular individual or company. A typical blog combines text, digital images, and links to other blogs,, and other media related to its topic. The ability of readers to leave publicly viewable comments, and interact with other commenters, is an important contribution to the popularity of many blogs. However, blog owners or authors often moderate and filter online comments to remove or other offensive content. Most blogs are primarily textual, although some focus on art (), photographs (), videos ( or 'vlogs'), music (), and audio (). In education, blogs can be used as instructional resources.

These blogs are referred to as. Is another type of blogging, featuring very short posts. On 16 February 2011, there were over 156 million public blogs in existence.

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On 20 February 2014, there were around 172 million and 75.8 million blogs in existence worldwide. According to critics and other bloggers, is the most popular blogging service used today. However, Blogger does not offer public statistics. Lists 1.3 million blogs as of February 22, 2014. Main articles: and The term 'weblog' was coined by on 17 December 1997. The short form, 'blog', was coined by Peter Merholz, who jokingly broke the word weblog into the phrase we blog in the sidebar of his blog Peterme.com in April or May 1999.