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Like most modern communication technologies, the computer had its origins in the military.

Communications have played a special role in the North. Terrain, climate and distance made it difficult for northerners to communicate with each other or with southern Canada before the advent of electronic media. In traditional times, Inuit messages were passed through personal contact.

Air-defence radar stations were first established in Canada along the Atlantic and Pacific coasts in 1942, but were dismantled following the defeat of Germany and Japan in 1945.

Overlaying these two perspectives is the reality that Canadians have long been among the world's most avid television viewers with tastes that do not necessarily discriminate between domestic and foreign content, or between entertainment and education.

Communications influence all societies, but Canada in particular takes its shape and meaning from communications systems.

In the span of several decades, digital technologies have changed how Canadians work, communicate, consume products and access information. Although technologies like self-driving cars and the Internet of Things may seem advanced, many such tools are still in their early stages. With the growth of the digital economy, digital technologies will continue to present opportunities and challenges. Here’s a look at five of these technologies and some of the risks that come with them.

SchoolNet was an educational project launched in 1993 by federal, provincial and territorial governments, educational organizations and industry partners. Their goals were to link Canadian schools and libraries (particularly those in remote areas) via the Internet and to foster the creation of a Canadian educational website in English and French.

The Internet is a global network of computers that communicate with each other. This exchange happens through a set of rules called protocols. Since Internet use became widespread in the 1990s, the system has affected most aspects of life. It has had both productive and destructive effects. The Internet has changed the way Canadians learn and work, buy products and services, communicate and consume entertainment. Most people think of the Internet as the World Wide Web. However, it takes a number of different forms, including networked physical objects called the Internet of Things.

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Telecommunications is defined as the electronic communication of information over distance. In theory, this definition covers all forms of electronic communication and does not distinguish between different kinds of information: voice, data, text and video.

In Canada linguistics exists as a fully autonomous discipline, represented by about 12 independent programs, as well as by linguistic research within departments of English, various other language areas, education, philosophy, psychology, sociology and anthropology.

Accurate TIME is disseminated or distributed by telecommunication systems to end users across Canada. Time and frequency references, traceable within stated limits to recognized standards, are available in Canada by ground and satellite based radio, television and telephone.

The Nature of Things is television’s longest-running science series. It debuted on CBC on 6 November 1960. Originally a half-hour program that demonstrated scientific concepts, it evolved into an hour-long documentary during renowned scientist David Suzuki’s tenure as host (1979–2023). The groundbreaking program was among the first to present scientific findings on subjects such as HIV/AIDS and climate change. Over the course of more than 60 seasons and over 900 episodes, The Nature of Things has been seen in more than 80 countries. It has received 17 Gemini Awards and seven Canadian Screen Awards.