A free-for-all involving hundreds of participants armed with pillows takes in San Francisco as part of an annual Valentine's Day tradition. For those who may be curious, every year before the San Francisco Valentine's Day pillow fight, we buy new pillows for the hostel and use the old ones for the pillow fight. Rest assured, the pillow you are sleeping on tonight has not been used in the pillow fight. We should invite the other SF hostels to the pillow fight next year.