Link to July 26 BBC news post, "Barcode replacement shown off".
Excerpt: A similar system could be used in a library, said Dr Mohan.
"Let's say you're standing in a library with 20 shelves in front of you and thousands of books."
"You could take a picture and you'd immediately know where the book you're looking for is."
Sorry, but I won't be happy until it works from home.