Originally Posted by MoSo
while there are currently 125,000 books available through Amazon for the Kindle, Kindle book sales account for about 6% of Amazon's book sales. Not that Amazon has sold about 6% of the available 125,000 books, or only 8,000 Kindle books.
I would further parse that to mean that of the 125,000 books available in a kindle edition ("that universe of titles") 6% of those titles are sold as a kindle edition.
Still very respectable. And a good sign of the acceptance of ebooks.