iPhone 4S
Apple smartphone released in 2011 that introduced Siri, bringing voice-based AI assistants to a mass consumer audience for the first time.
1 milestone
Apple Releases Siri with iPhone 4S
On 4 October 2011, Apple announced Siri as an integrated feature of the iPhone 4S, making a conversational voice assistant, capable of natural-language queries, task execution, and third-party service calls, available to a mass consumer audience for the first time at that scale.