When Dr. Doom speaks, people pause to listen.

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You need not integrate everything another person is saying into your plan or process, but it is still a sign of respect to pause and listen.

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This means that if you use your iPad to listen to a Jeff Daniels interview on NPR's Fresh Air, pause it and then want to restart it later while standing in line at the post office with your Android smartphone, "Fresh Air" will play from exactly where you left off on the iPad.

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