Houston Chronicle: Computer Science Professor Explains How Phone Call Metadata Can Be More Revealing Than Content

Houston Chronicle: Computer Science Professor Explains How Phone Call Metadata Can Be More Revealing Than Content by Michael Kelley:

The American Civil Liberties Union, which is suing the U.S. government over the National Security Agency’s bulk collection of U.S. telephone records under the “business records clause” of the Patriot Act, received some strong backing on Monday.