The document discusses various types of e-commerce technologies including e-learning, e-training, electronic bulletin boards, electronic mail, voice mail, electronic teleconferencing, electronic information services, electronic data interchange (EDI), electronic funds transfer (EFT), automated teller machines (ATM), and electronic shopping. It provides a brief overview of each technology and notes the establishment of EDI standards by the United Nations and ISO in 1987 to facilitate electronic data exchange between organizations.