Facebook had a landmark but turbulent year and challenges abound for former Google comms boss Elliot Schrage. In 2010, Facebook overtook Google as the busiest website for the first time. But the Mark Zuckerberg-founded social network's approach to and communications about privacy changes has many critics. Only now is it responding to lobbying and addressing concerns. Schrage's persuasive powers will be needed to soften Zuckerberg's laissez-faire approach and engage Washington if Facebook is to stay atop the Web traffic league.