 The first commercial dialup ISP in the United States was The World, which opened in 1989.In 1992, the U.S. Congress passed the Scientific and Advanced-Technology Act, , which allowed NSF to support access by the research and education communities to computer networks which were not used exclusively for research and education purposes, thus permitting NSFNET to interconnect with commercial networks.This caused controversy within the research and education community, who were concerned commercial use of the network might lead to an Internet that was less responsive to their needs, and within the community of commercial network providers, who felt that government subsidies were giving an unfair advantage to some organizations.