When you think of the US Postal Service, I doubt that the first thing to spring to your mind is "whitewater kayaking." They're more known for shipping (and losing) mail and packages in the US. Well, for whatever reason, the USPS has an app titled "USPS® VR," and instead of an immersive mail-tracking experience (or even a tech demo for, say, the exciting technology behind mail sorting), you get a kayaking trip.

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