AWS: the powerhouse behind Amazon Prime Day

5:10 PM ET Thu, 18 July 2019

On Amazon's Prime Day, millions of shoppers flooded the company's website looking for deals, and that's where AWS comes in: On the fly, the cloud computing division will leverage its global network of servers--ramping up capacity, as needed--to handle and route the massive spikes in traffic on this big day to Amazon.com. AWS dominates 33% of the cloud infrastructure market. The division is the company's profit center, generating 50 percent of its operating income. CNBC's Josh Lipton reports.