Windows Live Messenger - Wikipedia
https://en.wikipedia.org/wiki/Windows_Live_MessengerMSN Messenger (also known colloquially simply as "MSN" ), later rebranded as Windows Live Messenger, is discontinued cross-platform instant-messaging client developed by Microsoft. It connected to the Microsoft Messenger service and, in later versions, was compatible with Yahoo! Messenger and Facebook Messenger. Versions were developed for Windows, Xbox 360, Mac OS X (later under the name Microsoft Messenger for Mac), BlackBerry OS, iOS, Java ME, S60 on Symbian …
MSN - Wikipedia
https://en.wikipedia.org/wiki/MSNMSN (meaning Microsoft Network) is a web portal and related collection of Internet services and apps for Windows and mobile devices, provided by Microsoft and launched on August 24, 1995, the same release date as Windows 95.. The Microsoft Network was initially a subscription-based dial-up online service that later became an Internet service provider named MSN Dial-up.