It's managed to get to one billion users without the aid of a traditional ad campaign, but the social network has now taken advantage of that milestone to try something different. Mark Zuckerberg has today introduced the company's first proper ad, a one minute and thirty second video dubbed "The Things That Connect Us" created by ad agency Wieden & Kennedy. According to Zuckerberg, the ad was made to "honor the people we serve" and "exp ress what our place is on this earth," adding that Facebook belongs to a "
