Harry 

As the vast majority of blind people don't read Braille (70% and higher, 
it would make little practical or commercial doing this.  Probably what 
would work better, and this should be totally voluntary, would be some 
sort of digital coding that a device could read and communicate the info 
to the blind person.
That would be a far more viable approach both in delivering the 
information as well as reaching a far larger portion of the blind 
audience.
And, I suspect that with existing technology, this might be accomplished 
quite easily with most of the development done on the user end with a bit 
of co-operation on the manufacturing and packaging side.
Conveying the info in bgraille really these days isn't the road to go.


Politics is the art of looking for trouble, finding it everywhere,
diagnosing it incorrectly and applying the wrong remedies.
– Groucho Marx



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