Facebook’s new look is all about the Wall, the blank space on a profile page that the social network’s users can fill in with stories, photos, links and the ever-popular Status Updates. In turn, Facebook executives hope a less-cluttered Web site will eventually fill in their bank accounts with more advertising revenue. The second-ranked social network is slowly introducing its users to its redesign, keeping in mind the public relations disaster that was Beacon, Facebook’s controversial attempt to link customer data to advertisers.