The Advanced Research Projects Agency Network (ARPANET) was an early packet-switching network and the first network to implement the TCP/IP protocol suite. It became the technical foundation of the Internet.

The Domain Name System made the internet more accessible by allowing users to refer to websites by memorable domain names (e.g., "google.com") instead of numerical IP addresses.

Tim Berners-Lee, a British scientist, invented the World Wide Web (WWW). He wrote the first web browser, web server, and the first web page, which was published in 1991.

Larry Page and Sergey Brin founded Google, which has since become the dominant search engine, indexing vast amounts of information on the web and making it universally accessible.

Apple released the first iPhone, revolutionizing mobile computing and driving the rapid growth of the mobile web. This led to a new era of apps and on-the-go internet access.

The 2010s saw the explosion of social media platforms like Facebook, Twitter, and Instagram, connecting billions of people. Cloud computing services from Amazon, Google, and Microsoft became the backbone of the modern internet.