A、To discuss political issues with other people. B、To exchange information about a certain topic. C、To communicate personal life

A blog is short for a web log.(23)People write blogs to express their opinions and ideas over the Internet. Some people write blogs about political issues. Others use them to share their lives with faraway friends or family. Still other people write blogs to help them deal with sickness, money problems, or to choose movies to see or books to read. And of course, many others consider writing blogs as a habit. The Center for Media Research recently released a report about blogs. It says all studies agree that blogs are popular around the world. One study found that more than 180 million people around the world have started a blog. And more than 340 million people around the world read blogs. Another study found bloggers in 66 countries on 6 continents. And it found blogs in 81 languages. People in many professions, including the entertainment industry and news organizations, are writing blogs. VOA writers are among them. Alex Belida is the chief writer of the VOA news blog. He discusses issues of freedom of the press and VOA programming. He also answers questions, comments and criticism from the public. On a recent blog,(24)Mr. Belida wrote about VOA’s rules demanding accuracy and objectivity. He wrote that VOA rules state that VOA reporters "do not speak for the United States government." He also wrote that the idea that any government agency can tell VOA what to say is false.
23. What is the purpose of blogs according to the passage?
24. What rules do VOA reporters have to follow according to Alex Belida?
25. What does the passage mainly tell us?