This document discusses blogs as a form of social media. It defines a blog as a personal online journal with discrete posts displayed in reverse chronological order. The document notes that blogs are commonly used by younger people aged 21-35. It outlines some key statistics about blogging, advantages like easy updating and sharing experiences, disadvantages like needing constant updates, and examples of popular blogs. It provides instructions on creating a free blog on sites like Blogger or Tumblr and includes a bibliography.