The Amazon Kindle isn't the only e-reader line on the market, but it has been the most popular since it first launched back ...

Stuff your Kindle — or any e-reader — with free books this month on Amazon. There are two more 24-hour days of free books on Jan. 25 and 28.

Because of this, it doesn’t surprise me that when I talk to people about their Kindles (or any ebook readers for that matter) ...