FedEx is the one of the biggest cargo company in the world and i think they have millions of customers. If they come in to cryptocurrency market there would be lots of new comers and new buyers. And it will effect the market in very positive ways. If they join i will follow and join them. I am sure that if happens their coins would worth good amount of money..
I know that FedEx is one of the largest cargo companies in the world, with branches and employees throughout the world. Their customers are in the millions. Therefore, Fed Ex realizes that bitcoin receipts will increase their income and facilitate customers in the payment and tracking of goods sent.