A few years ago I lost patience with my health insurance company's automated phone system and shouted a profanity or two. I was relieved to find I was promptly

A few years ago I lost patience with my health insurance company's automated phone system and shouted a profanity or two. I was relieved to find I was promptly connected with a human operator. I thought the system may have simply detected the volume of my voice, but when I heard about profanity detection it made a lot of sense.