BUSAN -- ITU Telecom World on Thursday wrapped up its four days of exchanges on opportunities and risks stemming from the emergence of new technologies. Thousands of ICT ministers, government officials and business leaders visited the southern port city of Busan to attend the event.The participants of the UN-backed ICT conference also discussed ways to address challenges in the global ICT segment, including the digital divide and the adoption of standards for next-generation networks.At this yea