Brain › Science: GadgetsWhen was the iPhone released?2007200520062004AnswerThe correct answer is A) 2007.More Science: Gadgets questionsWhich virtual assistant is developed by Amazon?Which gaming console is developed by Sony?Which of the following is not a type of computer mouse?What is the SI unit for resistance?When was the DVD invented?What round is a classic AK-47 chambered in?Play Brain · Practice