<p></p><p>Delta Air Lines will become the first major airline to give a keynote at the Consumer Electronics Show, but it isn't the first travel brand to make waves at the annual tech dog-and-pony exhibition in Las Vegas. In 2017, Carnival Corporation's CEO Arnold Donald unveiled the Ocean Medallion, a tiny, coin-like wearable device that connects...</p><p>

Delta Air Lines will become the first major airline to give a keynote at the Consumer Electronics Show, but it isn’t the first travel brand to make waves at the annual tech dog-and-pony exhibition in Las Vegas. In 2017, Carnival Corporation’s CEO Arnold Donald unveiled the Ocean Medallion, a tiny, coin-like wearable device that connects…