If you bought a Windows Phone 7 phone, you will be surprised to find there is no Microsoft’s own Windows Live Messenger client in this phone, you only can go to download and install a number of third party client Software. Last night in the Microsoft mailing list for developers displayed, in the Mango Microsoft is likely to join in the built-in instant messaging support.
We see that the email referred to the Mango will increase a number of features for consumers, such as multi-tasking, IE9, HTML5, the integration of Twitter in People Hub, deep integration of SkyDrive and the “real time communication and messaging”. . . Although there has not confessed, but we believe this should refer to the integration of Windows Live Messenger (of course, is more likely to also join facebook chat integration).