Third generation Amazon Kindle, showing text from the eBook version of the novel Moby Dick
In 2000 there were 3,200,000 new printed book titles listed for sale in the United States. The number of book titles in print in the world may have been about 8,000,000 at that time.
The world market for printed books (pBooks) was estimated at $25 billion. At this time the world market for eBooks was estimated at $100 million.