
Although, this is a pure speculation for now, but it seems that Yahoo! is going to launch the free access to the Yahoo! mailbox through the POP3 protocol. Currently, when you want to purchase the paid access, you will be redirect to the page with the message that the service is not available in sales.
The free access to the mailbox through POP3 would be very wise decision – despite many disadvantages and limitations, POP3 still remains the most popular protocol to receive email.