Shanghai, known for its vibrant urban landscape, offers a plethora of locations where you can find screens. The most popular spots include shopping malls, electronics stores, and department stores. Shopping malls like IAPM, Xintiandi, and Nanjing Road are renowned for their large, high-definition screens that display advertisements, movies, and live events. Additionally, electronics stores such as Gome, Suning, and苏宁易购 (Suning) have screens showcasing the latest technology products. Department stores like Shanghai IFC and Shanghai Plaza 66 also feature screens for promotional purposes and entertainment.

The reason for the abundance of screens in Shanghai is the city's status as a global financial and commercial hub. According to a report by the Shanghai Municipal Bureau of Statistics, the city's retail sales reached 1.8 trillion yuan in 2020, reflecting a robust consumer market. This high demand for retail and entertainment has led to the proliferation of screens in various locations across the city. Furthermore, the screens serve as an effective medium for advertising and promotional activities, which are crucial for businesses in a competitive market like Shanghai. Data from the Shanghai Advertising Association indicates that the city's advertising market was valued at approximately 100 billion yuan in 2020, highlighting the importance of screens in this sector.