This is my great hope, that digital books go the way of digital music files. (goodereader.com)
If a collection of digital music files can have an album cover, I suppose a collection of digital text files can have a book cover. (thebookdesigner.com)
It also accesses digital music files employing Bluetooth streaming audio and allows the driver and passengers to access their personal listening devices through the iPod / USB / auxiliary inputs. (thekoreancarblog.com)