The Internet as public-shaming medium: The story of the "dog poop girl".

Here's the basic story: A woman and her dog are riding the Seoul subways. The dog poops in the floor. The woman refuses to clean it up, despite being told to by other passengers. Someone takes a picture of her, posts it on the Internet, and she is publicly shamed -- and the story will live on the Internet forever. Then, the blogosphere debates the notion of the Internet as a social enforcement tool.

The Internet is changing our notions of personal privacy, and how the public enforces social norms.

Here are some of the pictures and subsequent parodies. This episode raises fascinating and important issues of so-called "privacy rights" and what constitutes reasonable expectation of privacy in the Internet era.