This summer I was at Newark Airport, racing down a moving walkway to grab a bottle of water before takeoff. I snatched a Smartwater, scanned it at a self-checkout, and then gritted my teeth at the price: $8.
What a rip-off, I thought. But I know retailers hold us captive at the airport, so with no other options, I swiped my card.
Suddenly another notific…
