Most of these endangered languages have less than a few thousand speakers left, and with no documentation.
Nearly five hundred languages have fewer than ten speakers and are very likely to vanish very soon.
The Rosetta Project aims to create a modern version of the historic Rosetta Stone.
One side of the disk contains a graphic teaser.
The text begins at eye-readable scale and spirals inwards in ever-decreasing size till it becomes too small to read.
The other side of the disk contains the actual preserved data.
With minimal care, it could easily last and be legible for thousands of years.
Only a limited number of copies are available.
Close ups of the archive.
