Alibaba is the world's largest online and mobile commerce company as measured by gross merchandise volume. It operates China's online marketplaces, including Taobao (consumer-to-consumer) and Tmall (business-to-consumer). The China commerce retail division is the most valuable cash flow-generating business at Alibaba. Additional revenue sources include China commerce wholesale, international commerce retail/wholesale, local consumer services, cloud computing, digital media and entertainment platforms, Cainiao logistics services, and innovation initiatives/other.