On Feb 9th Google launched Buzz. After playing with it over the last 2 weeks it seems to begin to get closer to the Facebook message functionality. It also uses @ like twitter to make connecting easier.
Word on the street is that Facebook is architecting it's messaging section of their site from the ground up and turning it into a Web-mail app. This news puts Facebook into direct competition with the likes of Gmail and MSN.
Who will be more powerful?
Google who is extending into the social platform / software space. Facebook the social platform / software of choice for millions globally. Or can MSN extend their functional prowess to more of a social platform?