This is a illuminating read. I think the example drives it home. --------- For example, the IP address of one individual Wikipedia contributor revealed that th

This is a illuminating read. I think the example drives it home. --------- For example, the IP address of one individual Wikipedia contributor revealed that the person has: 1. Edited hundreds of pages on Wikipedia about television shows, both North American and international. The interest in TV shows was extensive and specific, but the details are not included here for privacy reasons; 2. Edited dozens of pages on Wikipedia related to history topics; 3. Participated in a discussion board about a television channel; and 4. Visited a site devoted to sexual preferences following an online search for a specific type of person.