What3words
The world is divided into 3 square metre grids. You are lost - anywhere. You phone for help. Can you tell the operator/police/ambulance where you are.
Tap your phone, iPad etc. Three words appear, they look random but they identify the 3m square where you are. Tap again or read out the words and help is on the way.
143
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- 6
- 0
- Apple iPhone 7
- 1/17
- f/1.8
- 4mm
- 100
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