The key to the success of e-books has been ______.
A) the creation of an e-reader that has a comfortable-to-read display
B) the creation of an e-reader that was affordable for a large audience
C) having a large number of titles available electronically
D) making e-books less expensive than hardcover copies
E) All of the options are correct.

Question

Quizplus · Accepted Answer

All of the options listed are correct in contributing to the success of e-books. A comfortable-to-read display, affordability, availability of titles, and lower prices than hardcover copies have all played important roles in attracting readers to e-books.

The Key to the Success of E-Books Has Been ______