Yahoo and Microsoft announced this Wednesday that they would permit their real-time message users to communicate directly. They have now started up the public test process. Reporters found yesterday that the functional show of interflow and the introduction of the new version download interflow both on the websites of Yahoo! Messenger and Microsoft Messenger It is said that the new Yahoo! Messenger can show the state of the linkmen and send real-time messages to them. The users can securely save all their friends’ contacts, and send them real-time messages at any time. However, users of MSN must use the formal version of MSN and acquire the interflow qualification. If the counterpart does not use the formal version or does not acquire the interflow qualification, the interflow will not work.. Yahoo! Messenger and MSN Messenger announced last October that they would implement the mutual interflow.