极客时间和极客学院_本周极客历史：旅行者指南，光盘和旋风式操作系统

极客时间和极客学院 Every week we look at fascinating facts and trivia from the history of Geekdom. This week we’re taking a look at The Hitchhiker’s Guide to the Galaxy, Compact Discs, and Whirlwind, the first

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