Cast Away: What Was In That Package?

The package from Cast Away is on par with the briefcase from Pulp Fiction in the world of MacGuffins and Red Herrings. What was in it?

What Was in Tom Hanks' FedEx Package in Cast Away?

Cast Away - Wikipedia

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In 'Cast Away', what's in the FedEx package?

What Was in Tom Hanks' FedEx Package in Cast Away?

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Life is like a FedEx box

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Did FedEx Pay For Product Placement in the Film Cast Away?

What Was in Tom Hanks' FedEx Package in Cast Away?