As for Jeju, it is a critically endangered language spoken by no more than 10, 000 people on Jeju Island in the Republic of Korea.

UNESCO: MEDIA SERVICES

The search giant's philanthropic arm, Google.org, has launched the Endangered Language project, a website devoted to preserving those ancient tongues that are now only spoken by a few thousand of us.

CNN: Google fights to save 3,054 dying languages

"It can be a very powerful tool in helping revive or revitalize endangered languages, " said Inee Slaughter, executive director of the Indigenous Language Institute based in Santa Fe, N.

NPR: To Save Endangered Languages, Tribes Turn To Tech

The Cornish language, which had been branded extinct by linguistic experts, has been reclassified as "critically endangered" instead.

BBC: Cornish language no longer extinct, says UN