It seems the leading e-reader — and others — do add weight as they add digital books. A University of California, Berkeley computer science professor says the amount, however is "very small, on the order of an atogram."
A New York Times reader question about "when an e-reader is loaded with thousands of books, does it gain any weight?" resulted in the answer from professor John D. Kubiatowicz.
“In principle, the answer is yes,” he said.
