Photos that show an exposed breast violate Facebook 's decency code , even when the baby covered the nipple .
Facebook took several days to respond to criticism and deactivate a paid advertisement for a dating service that used a photo of a topless model .
Although photos that show an exposed breast violate Facebook 's decency code , even when the baby covered the nipple , Facebook took several days to respond to criticism and deactivate a paid advertisement for a dating service that used a photo of a topless model .