Concept:A blog is a flexible website that can be run by anyone, not just large organizations.
Explanation:A blog displays content in reverse chronological order, with newer posts first.
It can be managed by a single person or a small team.
Platforms like WordPress, Blogger, and Medium allow individuals and small groups to create and manage blogs easily.
Blogs can cover personal diaries, professional advice, news, or niche interests.
Thus, both individuals and small groups can operate a blog.
Answer:Individuals or small groups of people.