henry copeland:
How to describe your location down to a 3 x 3 meter spot? Three words (of 40k.) pllqt.it/OnOB0x
Mapping with must three words (of 40k)
"Precise GPS coordinates would mean 18 digits," says What3Words' founder Chris Sheldrick, "but we wanted something that humans could actually remember. People have flawless recollection for three words. A dictionary of 40,000 words is enough to fill those 57 trillion squares with unique combinations - you can't do it any other way."- www.bloomberg.com