Apple is making it much easier for developers to get new or win back old subscribers with discounts or free offers. The tech giant has announced that it’ll give developers access to a feature called ...

The mail code system increases sorting speed and reduces errors. Like zip codes on U.S. mail, campus mail codes are the primary factor determining where a piece of mail is delivered. The Chicago ...

DIGIPIN, or Digital Postal Index Number, is a 10-character alphanumeric code assigned to a 4m x 4m area in India, providing a precise location, unlike general PIN codes. Developed by India Post, IIT ...

Having an unlocked iPhone–without so much as a four-digit barrier between you and some subway snatcher–is asking for trouble. Four-digit passcodes or PINs were the only way to secure the earliest ...