Index / Inventions / The Internet
Inventions
The Internet
ARPANET (1969) · 5.4 B users today
A decentralised packet-switched network. No one owns it; it simply routes. ~550 submarine cables carry more than 99% of intercontinental traffic, each pair of glass fibres pushing tens of terabits a second across entire oceans.
Key specifications
ARPANET
1969 · 4 nodes
TCP/IP
1983
World Wide Web
1989 · CERN
Users (2024)
5.4 B (~67% of humanity)
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