The reporter learned from the press conference of the 2023 China International Big Data Industry Expo held on the 20th that the scale of China's big data industry will reach 1.57 trillion yuan in 2022, up 18% year on year, and become an important force to promote the development of the digital economy. By the end of 2022, China has built the world's largest optical fiber network, with a total optical fiber mileage of nearly 60 million kilometers. The gigabit optical network has the ability to cover more than 500 million households. The total frame of the data center is nearly 6 million standard frames, and the national 5G base stations are more than 2.3 million, all of which are in the forefront of the world. (Xinhua News Agency)