It's rare for Microsoft products to invoke a pleasant sense of nostalgia, but MSN Messenger is a piece of software that does. The instant messaging software has been long dead, with Microsoft pulling the plug on the service in — then called Windows Live Messenger — due to declining user. Find and use every single hidden emoticon or secret smiley in MSN and Live Messenger. Get the keyboard codes and find the latest hidden MSN emoticons in Messenger so you can send them in your chats. A list of emoticon shortcuts supported by Microsoft Live Messenger.