There is a seismic shift occurring in the way we consume information and entertainment content. This change in consumer behavior is having a significant knock-on effect for advertisers as audiences are spending more time looking at their phones than TVs. With almost a third of the world active social media users, and with online advertising spending expected to reach $274 billion by 2020, we explore how social networks, such as Snapchat, Facebook and Weibo are benefiting from this huge advertising disruption.