Alexa became the de facto assistant in the smart speaker industry and still is, but Siri precedes it by a little over three years. Launched in April 2011, Siri was the first widely available voice assistant that exploded in part due to its practical role in the Apple ecosystem. After all, coming pre installed on the iPhone 4S, which racked up four million in sales in the first few days, helped Siri become a household name overnight. Shortly afterwards, Microsoft unveiled Cortana, but it fell...
