What is the primary purpose of a blog?

The primary purpose of a blog is to serve as an online personal journal. This format allows individuals or organizations to share their thoughts, experiences, and ideas with a broader audience in a conversational and informal writing style. Blogs can cover a wide range of topics, including personal interests, professional insights, or commentary on current events. They enable writers to express themselves and engage with readers, often fostering community and discussion around the content.

While the other options may represent useful activities within different contexts—such as company meetings or sharing policies—they do not encapsulate the fundamental essence of what a blog is primarily intended for. A blog emphasizes personal expression and content creation over formal communication methods or structured meeting formats.