When is 'DRM free' not DRM free

When Book.ish launched a while back there was quite a bit of blog flutter about whether a book you 'bought' fromBook.ishcould actually be said to be 'owned' by you.Book.ishis a cloud reader service. Unlike Amazon or Kobo etc there is no file for you to download. What you 'buy' is access to the file which you can either read online or offline but, as bookish says:
Be aware that a downloaded