You could leave a cardboard cutout of Erik Estrada at the front counter and I guarantee you no one would ever know the difference. Not so much because you resemble Erik Estrada, more so because you have the personality of cardboard.
As usual, I agree with Ninja. But I think those people are inefficient. Sometimes, it'll seem like they're doing twelve hours in work, whereas, in actuality, it's more like 8 hours of FB + 2 hours of briefing.