PWC have released the results of a study today that summarizes the current state of the ebook and ereader market. PWC polled over 1000 online users in the US, UK, Germany, and the Netherlands. I'm still reading it myself, but I'm intrigued by some of the results.
One of the questions in the poll was on whether you'd heard about ereaders. I'm a little surprised that the market penetration varies much between countries.
Some of the poll results are rather obvious, though.