AirPods are insanely popular, with units out of stock at Apple Retail Stores on a regular basis. Because of this, you’d think people would be more careful with their expensive earbuds when traveling. Alas, the smooth design doesn’t exactly mesh well with the hustle and bustle of the New York City subway system. Now, the MTA has issued a warning for all AirPod owners. You won’t believe how many people lose their AirPods on the tracks!