Windows Live Messenger Gets Traction with Facebook Users

For a number of weeks, the Facebook application Windows Live Messenger, from Windows Live, has been growing significantly, and it has frequently appeared on our lists of Fastest-Gaining Facebook Apps by DAU. As of July 7th, however, it topped these charts with a daily active user (DAU) gain of 334,214. In total, the number now surpasses 1.75 million DAUs, and nears 2.7 million monthly active users. This begs the question: Why?