Inside social media giant Tencent's plan to dominate a $13b esports arena

The screams of 18,000 people packed into a Shanghai stadium swell to a crescendo. Slight of figure and mostly bespectacled, 10 young men take their seats in LED-lined boxes straight out of Tron, don headsets, lock thumbs onto giant smartphones — and the battle begins. At stake, a $1.8 million purse — and social media goliath Tencent’s role in a $13 billion esports arena.