I just had that rare moment when you see a new technology and immediately think that is genius @what3words #whydidntithinkofthatpic.twitter.com/yooJBZIVPt
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It is not possible to choose your own words. We have considered, and tested this but all the 3 word addresses are randomly allocated and completely fixed, meaning that they can be used in offline, which would not be possible if people were able to make changes all the time. 
Thanks. That means two people standing shoulder to shoulder will have the same 'what3words' address. Is that correct for me to understand?
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