The Internet :)

To create a global network of computers, we need: Wires & wireless: Physical connections between computers.

IP & DNS: Addressing schemes to uniquely identify all the computers on the internet.

TCP/IP: A path-finding strategy for data to get from one computer to a destination computer.

TLS: Secure mechanisms for sending data without letting everyone else on the internet read it.

HTTP & HTML: Common protocols and formats for sharing documents and viewing them across any type of computer.