Digital wayfinding

An apparatus comprising:

• at least one memory and at least one processor, coupled to the at least one memory, to perform operations comprising:
• displaying a QR code;
• in response to displaying the QR code, displaying a first graphical user interface (GUI), wherein the first GUI displays:
• (1) a first option to locate a first location from a plurality of locations, (2) a second option to locate a second location from the plurality of locations, and (3) a third option to add a third location to the plurality of locations;
• in response to a user selection of the GUI's third option, determining a physical location of the third location via a global positioning system (GPS);
• in response to determining the physical location of the third location, displaying the third location on a map;
• redisplaying the QR code after previously displaying the third location on the map;
• in response to redisplaying the QR code, redisplaying the first GUI, wherein the redisplayed first GUI displays:
• (1) the first option to locate the first location from an updated plurality of locations, (2) the second option to locate an updated second location from the updated plurality of locations, and (3) the third option to add an updated third location to the updated plurality of locations;
• in response to a user selection of the redisplayed GUI's third option, determining an updated physical location of the updated third location via the GPS;
• in response to determining the updated physical location of the updated third location, displaying the updated third location on the map.