The voice has arrived a little under a year after Apple added its last two American Siri voices, and stopped defaulting to using a female-sounding voice
Siri, who is proficient at stone walling curious Apple fans quizzing it about new products and upcoming events, prematurely seemed to have revealed the plan to hold an event next Tuesday.
The researchers noted it was possible to make microphones respond to light as if it were sound, which essentially means that anything that acts on sound commands will act on light commands
Siri allows users to work their iPhone without using their hands, and can send messages, make calls and open multiple applications with voice commands alone
Siri's behaviour becomes a privacy issue because it can read out messages and emails from third-party apps such as Facebook Messenger, WhatsApp, and Gmail