What3Words is a revolutionary addressing system that pinpoints locations more precisely than conventional street addresses. The tool divides the world into 57 trillion 3 meter x 3 meter squares and assigns a unique combination of three words to each square. This enables more efficient aid and delivery services around the world – and it could actually save lives in disaster zones and informal settlements without street names.

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What3Words, INDEX: Award, green app, humanitarian design, green product, social design, sustainable design

Roughly 75% of the world suffers from inconsistent, complicated or inadequate addressing systems, meaning that 4 billion people are unable to report crime, receive deliveries or request aid. They also are unable to exercise many of their rights as citizens because they simply have no way to communicate where they live. Even in the developed world, people get lost and mail goes delivered.

What3Words, INDEX: Award, green app, humanitarian design, green product, social design, sustainable design

Related: 5 brilliant designs that will change the world win the 2017 INDEX: Award

London-based What3Words offers an efficient, precise solution that is currently being integrated into businesses, apps and services across the globe. Each of the 57 trillion 3mx3m squares in the world has been allocated a fixed & unique 3-word address. The What3words geocoder turns geographic coordinates into these 3 word addresses & vice-versa. The system works across all platforms and devices, in multiple languages, offline and with voice recognition.

What3Words, INDEX: Award, green app, humanitarian design, green product, social design, sustainable design

Related: Life-saving LifeArk snaps together like LEGO to provide emergency off-grid housing

Nigeria‘s postal service has just started using What3Words to tackle its snail-mail problem and the poor addressing system. By adopting this state-of-the-art technology, NIPOST hopes to increase home delivery to 70 percent over the next two years.

What3Words, INDEX: Award, green app, humanitarian design, green product, social design, sustainable design

The firm has also signed a deal with Mongolia’s national delivery service and drone company Altavian, which designs and manufactures high quality drones for commercial enterprises. They teamed up with Indian moped taxi firm Bikxie, which is utilizing What3Words’ award-winning addressing system to help women travel more safely. What3words has been selected as the winner of the world’s biggest design prize – the INDEX: Award – which recognizes sustainable designs that generate positive impact in the world.

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What3Words, INDEX: Award, green app, humanitarian design, green product, social design, sustainable design

What3Words, INDEX: Award, green app, humanitarian design, green product, social design, sustainable design

What3Words, INDEX: Award, green app, humanitarian design, green product, social design, sustainable design

What3Words, INDEX: Award, green app, humanitarian design, green product, social design, sustainable design