Using a wireless adapter (Im using a Toshxba that cost under $15) I can access all the files on my hard drive. I can download files to my hardrive, I can upload files to my hardrive. I can put my MP3s from my hard to a folder in Documents, no need for iTunes. Or, I can play them directly from the hard drive. Also, opens various types of files or allows you to open them in a different app. Very versatile, gives you control over your music, photos, documents.
Johnnygeep about Documents: File Manager & Docs, v5.7.8