Core capability is defined as the major strengths or calculated advantages of companies which includes a pool of knowledge and the combination of technical abilities that makes a company competitive.
Google, Amazon, and Walmart’s core capacities are the following: the perfection of information technology in supporting business, international growth (these companies are quite known worldwide, and logistic excellence.
Amazon can offer services like helping researchers in publishing their journals and reaching intended audiences. Google can enlarge their business through reaching 3rd world countries who doesn’t have access to a reliable internet connection. As for Walmart, they can venture into selling things in bulk, based on a customer’s weekly or monthly needs.