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Little Brother by Cory Doctorow

An entertaining thriller and a thoughtful polemic on Internet-era civil rights, “Little Brother” is also a practical handbook of digital self-defense. Marcus’s guided tour through RFID cloners, cryptography and Bayesian math is one of the book’s principal delights. He spreads his message through a secure network engineered out of Xbox gaming consoles, to a tech-savvy youth underground (we are now post-nerd, I learned — hipsters and social networking experts have replaced the unwashed coders of yore).

Children’s Books - Book Review - ‘Little Brother,’ by Cory Doctorow - Review - NYTimes.com.