What major event took place during Olli-Pekka Kallasvuo's tenure as CEO of Nokia?
iPhone launch
Android launch
BlackBerry's decline
Nokia's acquisition of Motorola
Answer
During Olli-Pekka Kallasvuo's tenure as CEO of Nokia, Apple launched the iPhone in 2007. This event marked a significant shift in the mobile phone industry and presented new challenges for Nokia and other established players in the market.
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