An artificial personality (AP) is a collection of characteristics, tendencies and behavioral quirks assigned to a chatbot, digital assistant, robot or video game character. A primary goal of adding personality to digital entities is to encourage end users to interact with programming on an emotional, as well as a logical, level. Personalities are especially significant for voice-activated digital assistants such as Apple's Siri, Amazon's Alexa, Google Assistant and Microsoft's Cortana because they are intended to take the place of human assistants. Google has hired a creative team to give its unnamed assistant personality, while Siri was purposely designed early on to be a little sassy. Cortana was modeled after real-life celebrity personal assistants and Alexa now offers a skill that allows her to be disrespectful. People don't expect their digital assistant to pass the Turing test and be mistaken for a human being, but developers have found that the additio...