Just months later on 1 January 1990, PSInet launched an alternate Internet backbone for commercial use; one of the networks that would grow into the commercial Internet we know today.In March 1990, the first high-speed T1 (1.5 Mbit/s) link between the NSFNET and Europe was installed between Cornell University and CERN, allowing much more robust communications than were capable with satellites.The Internet is also often referred to as the Net, as a short form of network.
Online shopping has grown exponentially both for major retailers and small businesses and entrepreneurs, as it enables firms to extend their "brick and mortar" presence to serve a larger market or even sell goods and services entirely online.
Although other network protocols such as UUCP had global reach well before this time, this marked the beginning of the Internet as an intercontinental network.
Public commercial use of the Internet began in mid-1989 with the connection of MCI Mail and Compuserve's email capabilities to the 500,000 users of the Internet.
In an early sign of future growth, fifteen sites were connected to the young ARPANET by the end of 1971.
These early years were documented in the 1972 film Computer Networks: The Heralds of Resource Sharing.