Farmville might be the most played game on Facebook with 16 million daily users, but some visitors might be interested to know that the 2nd most popular application isn’t a popular game or gift sending app, it’s Microsoft’s Windows Live Messenger Facebook application.

ReadWriteWeb reports that 9 million Live Messenger users are currently logging into Facebook and then chatting to their friends through the application, rather than using Facebook’s own chat application.

The application is a smart move for Microsoft who may be able to etch out a name for themselves by providing the type of chat functions users fail to love on Facebook.  It could be a great way for Microsoft to introduce their own users to Facebook, while possibly rolling out new features that could provide a further social network reach for the company. read more