A recent article by Alexandra Alter in the Wall Street Journal revealed that your Kindle, Nook, Kobo or other eBook reader is tracking quite a bit about your reading habits. From the passages you highlight, how much time it takes you to finish a book, and whether or not you immediately start to read the next book in a series, eReaders are giving eBook retailers and book publishers unprecedented amounts of information about your reading habits. On the TODAY show, I talk with Matt Lauer about what’s being tracked, what it means, and what you can do about it.