I find @What3Words very useful. Can we have an app with offline database of 3words for every location in the world? It would be just great!
Communicating location is critical to ensuring a fast and effective response in disaster zones. 
pic.twitter.com/wrALYaLrpl
-
-
-
The system already works offline. DM if you would like further details.
- Show replies
New conversation -
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.