Picture this: you’re at the airport and you’ve just shoved your feet back into your shoes while trying to grab the clunky grey bins with your carry-on luggage. You’re tugging your backpack on and heading to your gate when you reach back to the pocket on the side of your backpack for your water bottle so that you can refill it before you get on the plane. Your hand comes up empty.

You forget your refillable water bottle at home in your last-minute packing haste.

Now what? You’re thirsty and want something to help choke down the airport bagel. Then you spot a convenience store to your left. You veer in and head straight to the case of cold beverages. Bottled, canned, and boxed water stare back at you. Which do you choose?

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