I think people will read and buy books because people read the message in the มืถือก็ is considered the same as reading and still has many people who like to read the messages in the book. So people won't stop buying books in the future.
I think people will read and buy books to read because the person who holds the rest is considered as read, and there are also many who like to read books. So I will not stop people buying the book in the future.
I think people will read and buy books because reading text ในมื hold next considered read the same and there are many who read the text in the book. So the people will not buy the books in the future.