Facebook now has 4,600 employees and it's hiring at a breakneck pace.
We recently toured Facebook's rapidly-expanding campus. The recruiting department is so large that it occupies nearly an entire floor of one building.
One landmark visual in the department: a gong that recruiters strike every time they make a hire.
It's going to get loud in there: Facebook is hiring an average of three people a day.
More From Business Insider
