**4.3 E-commerce platform**

The diffusion of ownership has complicated the disaster relief supply chains. There could involve a variety of relief material providers, including governments at all levels, local and international social organizations, and private sectors. The Internet revolution has provided new platforms and innovative technologies that facilitate their communication needs in acquiring, delivering, and recycling relief supplies. Equipped with well-established information and delivery systems, the fast-growing e-commerce platforms are enjoying evolving engagement in disaster relief supply chains in the following two aspects.
