Just as you could use the Doppler Effect to pinpoint the location of a satellite flying overhead, you could also employ satellite signals to find your own location on the ground.

FORBES: Creating a Culture of Innovation at the World Bank

Other aspects of climate change and land subsidence significantly exacerbate this effect though the relative importance of these factors varies from location.

UNESCO: MEDIA SERVICES

But a positive effect of globalisation is that you can have a language that is spoken by only five or 50 people in one remote location, and now through digital technology that language can achieve a global voice and a global audience.

BBC: Digital tools 'to save languages'