ARPANET (1960s):
The US government's Advanced Research Projects Agency (ARPA) developed ARPANET, which was the first operational packet-switching network and the precursor to the global internet.
World Wide Web (1989):
Tim Berners-Lee, a British scientist working at CERN, invented the World Wide Web (WWW) in 1989, which made it easier for people to access and share information online.