Kobo chose to tailor its tablet to book readers in response to research showing that users who read on dedicated readers consume five times as many books as those who read on tablets.

FORBES: Beyond Borders: Kobo Moves On With New E-Readers And Indie Bookstores Pact

The digital reading platform Copia, which has 50, 000 subscribers, collects detailed demographic and reading data including the age, gender and school affiliation of people who bought particular titles, as well as how many times the books were downloaded, opened and read and shares its findings with publishers.

WSJ: Your E-Book Is Reading You

It is hard not to think that anyone who writes more books (70-plus) than many people have read, as well as numberless articles and essays, must be at the controls of a sausage machine, yet the sausages were usually good.

ECONOMIST: Martin Gardner