![Imagem](https://sv1.picz.in.th/images/2020/05/18/q7k2VR.jpg)
Walmart, the largest department store in America Revealed a new patent, which will bring Artificial Intelligence or AI to analyze the mood of the shoppers in the mall that During shopping, customers are happy, sad, disappointed or stressed in order to offer trading that can make customers satisfied via CCTV. pg