This would have been an interesting case to be a part. Apparently someone finally brought suit to get the federal government to change the money so that those with vision impairments can tell the denominations apart.
When I lived overseas, I got used to just feeling into my pocket or wallet and not having to look down to make sure that I had the right bill when I was paying for something. Now I have to look.
However, I wonder if this might slow a push to making all transaction based on some sort of electronic cards like we have now.