"NEW YORK - Libraries have been lending e-books for longer than there's been a Kindle, but until recently only a few devices worked with them. That's changed in the past few months with the arrival of software for reading library e-books on some popular devices: iPhones, iPads and Android-powered smart phones."
"MLA 5.7.18 defines digital files as neither on the web or a published CD-ROM. Digital files include a PDF on your computer, a word processed document created by a peer, a scanned image you received via e-mail, or "a sound recording formatted for playing on a digital audio player." "