Originally Posted by kimicocopop
question: I have not purchased the Arc yet as it's not in the states yet. But I am wondering, will the device suggest books to you if you are purchasing your books from somewhere other than Kobo (does it recognize those books & suggest things for you)?
No and Yes.
Discovery will only recommend items based on Kobo books. You could pin a website about the book to see things related or you could pin the preview of the book from Kobo and see related items.
Hope that helps.