Apple Inc. introduced Siri voice-controlled assistant with iPhone 4S in Cupertino, California, United States, enabling natural language queries and task execution through speech. Using artificial intelligence and cloud computing, Siri interpreted spoken commands to perform searches, set reminders, send messages, and control device functions. Though limited in capability compared to later assistants, Siri normalized voice interaction with technology, paving the way for smart speakers and ambient computing interfaces throughout homes and vehicles.

Siri's voice interface influenced contemporary poetry's exploration of human-machine dialogue and the boundaries of conversational AI. Poets created works featuring exchanges with voice assistants, examining misunderstandings, literal interpretations, and the uncanny valley of near-human responses. The technology also inspired reflection on language's materiality when converted to data, with writers exploring how voice recognition systems parse accent, emotion, and ambiguity differently than human listeners.