Glenn researches and writes about the history of printing, focused particularly on newspaper comics and printing molds. Order his book How Comics Were Made. He’s a long-time technology journalist, who contributes regularly to Macworld and TidBITS and writes books in the Take Control Books series. A former Amazon employee (1996–97) who used to eat burritos with Bezos, Glenn is more interestingly a two-time Jeopardy! winner.