https://www.cnbc.com/2018/07/17/walmart-and-microsoft-link-up-on-cloud-technology-deal-as-they-both-ba.html

Retail giant Walmart signed a deal to use Microsoft's cloud and artificial intelligence technology on Tuesday, deepening a strategic partnership between two of Amazon’s major rivals.

The five-year agreement is designed to leverage the full range of Microsoft’s cloud solutions in order to make shopping quicker and easier for customers, Walmart said.