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(GRAPHIC: Kylene Kiang)

Notions of privacy have evolved in the information age since the advent of powerful search engines, the Blogosphere and online social networking sites. Even in today’s world of computer hacking criminals, identity thieves and Internet stalkers, many do not cite personal privacy as a concern, though experts say otherwise.

By Julia Drapkin and Kylene Kiang

INTERNET PRIVACY

VIDEO: Internet security expert Steven Bellovin talks about how the bad guys find information online.

LAYING LOW: How to outsmart Internet stalkers.

VIDEO: Columbia journalism Prof. Stephen Isaacs discusses reporting in the Internet age.

BLOG: Mission impossible? Follow our quest to invade one person's privacy.

Videos require Quicktime download