Wid is a professional data competition service platform in China, which is called Beijing Numerical Union Crowd Creative Technology Co. WID aims to provide professional competition services, data open hosting services, talent project linking services and data business consulting services for enterprises, research institutions, governments and data enthusiasts, and through the "crowdsourcing", "crowdfunding" and "crowdsourcing" modes, WID has brought together a group of outstanding data scientists and demands. Through the "crowdsourcing", "crowdfunding" and "crowdsourcing" modes, WID brings together all kinds of big data resources and industry demands to form a series of challenging problems, which attracts a large number of data innovation and entrepreneurial talents and data scientists to ****together to solve the complex big problems, and to dig out valuable big data applications and business models through the creative competitions.WID platform participants not only get the prizes and experience but also learn from each other and improve their own abilities through the platform. platform to learn from each other, improve their abilities, and gain knowledge, wealth, reputation and fun in the competition.