Group 1: Diplomatic Exchange - Chinese President Xi Jinping made a lighthearted exchange about 'spying' while gifting two Xiaomi smartphones to South Korean President Lee Jae Myung during the APEC summit [1][3] - This visit marked Xi's first trip to South Korea since 2014, following years of strained relations between the two countries [2] Group 2: Technology and Espionage Concerns - The exchange occurred amid ongoing concerns regarding Chinese technology and espionage, particularly related to the Xiaomi brand, which was previously blacklisted by the United States [6] - Recent reports indicate that Chinese hackers have been involved in cyber-espionage campaigns against US technology firms, stealing sensitive information while remaining undetected [7] - Additionally, there are allegations that China has employed "sex warfare" tactics to spy on professionals in Silicon Valley [8]