It primarily receives ePub content from the iBookstore, but users can also add their own ePub and PDF files via data synchronization with iTunes. Additionally, they can be downloaded to iBooks through Safari or Apple Mail. It is also capable of displaying e-books that incorporate multimedia. According to product information as of March 2010, iBooks will be able to "read the contents of any page [to the user]" using VoiceOver. OS X Mavericks added iBooks for OS X