I guess I just feel like one grows to consider it like the iTunes of ebooks that also converts, and that there's a workflow that it lends to where you've downlo

I guess I just feel like one grows to consider it like the iTunes of ebooks that also converts, and that there's a workflow that it lends to where you've downloaded your book, you need to convert it to work on all your relevant devices and the respective format, have a bookshelf type interface or whatever your preferred view , be the main books app, and allow for syncing a library via cloud. I don't know if I'm saying this well but I think the main ideas are here.