As Haris Seferovic , whose family immigrated from Bosnia Hercegovina to Switzerland in the late 1980s, scored the winning goal in Switzerland's 2-1 victory against Ecuador, I heard, here in Zürich, loud yells of excitement from cars and homes - many of which were beautifully decorated with colourful flowers, Swiss flags and flags of other nations. People shouted " Hopp Schwiiz " cheering on the Swiss national football team. At that moment, which was indeed full of positive emotions , I saw an elderly woman walk past with her dog. As we got eye contact, we both smiled. I came to think of this moment of joy, as I later on listened to this 2 minute video and this 1 minute video in which United Nations secretary general Ban Ki-Moon - in the first video - and Mr. Nelson Mandela - in the second video - both talk about the powerful ability that sports have to unite people. Technology / media - including social media - can indeed contribute to creat...