A blog is a type of website that features regularly updated content, often written in an informal or conversational style. Blogs can cover a wide range of topics, from personal experiences to professional insights, and they allow individuals or organizations to share their thoughts with a global audience. Many blogs also encourage reader interaction through comments and social media sharing. The term 'blog' is derived from 'weblog', which refers to a log of web activities. Blogs can serve various purposes, including education, entertainment, and marketing. Popular blogging platforms include WordPress and Blogger, making it easy for anyone to start their own blog and connect with others online.