This week, you may have noticed something different the first time you went back to Facebook. The social networking site has started displaying a bar encouraging users to set the site as their default home page. By saying "See what's happening with your friends the moment you open your browser" it hopes that users will accept to put Facebook as the very first page that their browser opens. While it may not seem like a big deal going from a bookmark to your home page, sites like Yahoo! and MSN are some of the most frequented pages on the web, in large part because so many people simply left them as their default home page. This is yet another step for the biggest social network of the day to get more center stage.