Amazon was expected to account for almost 14% of all online retail sales across the world by the end of 2019, according to Statista. The company rolled out Prime same-day delivery back in 2009 and is currently testing drone delivery, which could mean customers will start to receive their orders in just 30 minutes. But how does Amazon currently get items to you so quickly? We visited one of its fulfilment centres in Tilbury, UK, to learn about the process behind the scenes. All information is as provided to us by Amazon.