Where Wizards Stay Up Late by Katie Hafner

The Origins of the Internet

A lively, well-researched narrative that traces how a handful of engineers, scientists and planners at universities and research firms built the ARPANET and laid the technical and social foundations of the modern Internet. Combining clear explanations of packet-switching, protocols and network architecture with vivid human portraits of late-night debugging sessions, bureaucratic wrangling and personalities who pushed the work forward, the book recounts the small, scrappy collaborations and pivotal moments — including the famously botched first login — that transformed an experimental military-academic project into a global communication system.

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