Give a stream of consciousness and then the final answer. On January 2, 2007, Steve Jobs announced iPhone at the Macworld convention, receiving substantial media attention. Jobs announced that the first iPhone would be released later that year. On June 29, 2007, the first iPhone was released.

Answer this question: when was the iphone first introduced to the market?
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The relevant information is: On June 29, 2007, the first iPhone was released.
So, the final answer is June 29 , 2007.
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