This is a unique book about a rather complex topic. It reads like a thriller and I didn't want to stop listening. Daniel Yergin is really a master in making these topics accessible, with a good written story.
David Allen is of course THE name in GTD. The abridged version is great for those who really value their time. In less then 3 hours David Allen gives you the main ingredients for becoming more productive. The information density is in some parts rather high, which makes you rewind more than twice. If you really want to dig in deep, I guess you'll want to go for the unabridged version.
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