Radio was the next communications medium in which America became dominant.
Now it serves as a communications medium for the new economy.
Will cyberspace be mainly a source of information and entertainment, or an interactive communications medium?
No communications medium more efficiently delivers timely, often life-saving information than broadcasting.
Email is an inherently insecure communications medium, but there are options available for encryption, such as Pretty Good Privacy.
Ever since the invention of the blackboard each new communications medium has been hailed as an educational revolution.
If Twitter redefined the frontier of communications, Medium is trying to reclaim some of the lost territory.
Throughout history it has always been more than just a medium of economic exchange.Money is arguably an early communications medium.
In that, the sites reflected the Internet's original intended use -- as a communications medium first, and as a commercial platform only in passing.
"The internet is sort of becoming the most regulated communications medium in the world," said Dr Yaman Akdeniz, director of Cyber-rights.org.org
Their communications medium is a long letter that conveys many points in printed form, rather than a single "message" in visual and aural form.
