An employee writes a note on the message board at the new headquarters of Facebook in Menlo Park, California on January 11, 2012. The 57-acre campus, which formerly housed Sun Microsystems, features open work spaces for nearly 2,000 employees on the one mAn employee writes a note on the message board at the new headquarters of Facebook in Menlo Park, California on January 11, 2012. The 57-acre campus, which formerly housed Sun Microsystems, features open work spaces for nearly 2,000 employees on the one million square foot campus.REUTERS/Robert GalbraithA giant "like" icon made popular by Facebook is seen at the campus.A giant "like" icon made popular by Facebook is seen at the campus.REUTERS/Robert GalbraithEmployees work in the international user operations area.Employees work in the international user operations area.REUTERS/Robert GalbraithEmployees choose to either sit or stand while working.Employees choose to either sit or stand while working.REUTERS/Robert GalbraithAn art and message board is seen in one of the hallways.An art and message board is seen in one of the hallways.REUTERS/Robert GalbraithAn employee walks through the cafeteria.An employee walks through the cafeteria.REUTERS/Robert GalbraithEmployees wait at the IT service desk.Employees wait at the IT service desk.REUTERS/Robert GalbraithEmployees walk past the company logo.Employees walk past the company logo.REUTERS/Robert GalbraithAn employee works in one of many "cozies," tiny, personal conference rooms.An employee works in one of many "cozies," tiny, personal conference rooms.REUTERS/Robert GalbraithA view from the street of Facebook's new home.A view from the street of Facebook's new home.REUTERS/Robert GalbraithEmployees gather in their work environment for a discussion.Employees gather in their work environment for a discussion.REUTERS/Robert GalbraithAn employee works on a computer in front of a Facebook mural.An employee works on a computer in front of a Facebook mural.REUTERS/Robert GalbraithA superman costume hangs at a telephone booth for private cell phone discussions.A superman costume hangs at a telephone booth for private cell phone discussions.REUTERS/Robert GalbraithA "cozy" awaits an employee.A "cozy" awaits an employee.REUTERS/Robert Galbraith
