You have already read about the bacteria harbouring in different food items but this one might actually surprise you. Salt and pepper shakers are a host to 185,000 bacteria, which means they are dirtier than your toilet seat! The second dirtiest item in the restaurant is patiently waiting on your dinner table to contaminate your food.
Salt and pepper shakers are only cleaned with a wet towel, that the servers keep in their pockets and use on every other table and shaker, that too only if they appear to be dirty or greasy. If it is appearing to be clean does not mean it sanitized properly so avoid using the germ harbouring shaker next time!