<Table> <Tr> <Td> </Td> </Tr> <Tr> <Td> Part of a series on </Td> </Tr> <Tr> <Th> E-commerce </Th> </Tr> <Tr> <Th> Online goods and services </Th> </Tr> <Tr> <Td> <Ul> <Li> Digital distribution </Li> <Li> E-books </Li> <Li> Software </Li> <Li> Streaming media </Li> </Ul> </Td> </Tr> <Tr> <Th> Retail services </Th> </Tr> <Tr> <Td> <Ul> <Li> Banking </Li> <Li> DVD - by - mail </Li> <Li> Flower delivery </Li> <Li> Food ordering </Li> <Li> Grocery </Li> <Li> Pharmacy </Li> <Li> Travel </Li> </Ul> </Td> </Tr> <Tr> <Th> Marketplace services </Th> </Tr> <Tr> <Td> <Ul> <Li> Advertising </Li> <Li> Auctions </Li> <Li> Comparison shopping </Li> <Li> Social commerce </Li> <Li> Trading communities </Li> <Li> Wallet </Li> </Ul> </Td> </Tr> <Tr> <Th> Mobile commerce </Th> </Tr> <Tr> <Td> <Ul> <Li> Payment </Li> <Li> Ticketing </Li> </Ul> </Td> </Tr> <Tr> <Th> Customer service </Th> </Tr> <Tr> <Td> <Ul> <Li> Call centre </Li> <Li> Help desk </Li> <Li> Live support software </Li> </Ul> </Td> </Tr> <Tr> <Th> E-procurement </Th> </Tr> <Tr> <Th> Purchase - to - pay </Th> </Tr> <Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> </Table> <Tr> <Td> Part of a series on </Td> </Tr> <Tr> <Th> E-commerce </Th> </Tr> <Tr> <Th> Online goods and services </Th> </Tr>

System software is usually divided into two categories