Some Internet advertising companies are watching every click and drag that computer users make at home or in the office, and the Senate is considering doing something to stop it. Jodie Bernstein, director of the Bureau of Consumer Protection at the Federal Trade Commission, showed senators at a hearing Tuesday how Web sites and advertising companies track users through cookies — small text files stored and read on a user’s hard drive. Through these files, usually containing an identification number, ad companies see where customers travel on the Internet and govern what ads they see.
News: Network Security
