New Delhi, March 4 -- As much as I hate to admit it, I travel like a man who distrusts both memory and fate. My packing lists have packing lists, I pat my pockets at airport security with the frequency of a nervous tic, and yet, despite rituals and borderline obsessive pre-flight choreography, I know myself well enough to admit the inevitable-one day, between Gate 49A and baggage carousel 5, I'm going to leave something behind and will realise it's missing only when one I am sealed inside a metal tube at 35,000 feet, replaying the last hour in one's head like security footage.

Precisely why I've had AirTags-Apple's diminutive, unassuming little Bluetooth tracking devices that can help you track your keys under the sofa cushion or locate ...