We can no longer even be confident that linear broadcasting is the sole means of intervention.
The sole national commercial digital audio broadcasting (DAB) platform, Digital One will have a key role to play if DAB radio becomes a "primary distribution network" for radio, the ambition outlined in communications minister Stephen Carter's interim Digital Britain report.
A sale would imperil the effective operation of the UK's TV industry; plurality would be reduced and the BBC, itself in retreat, would be left as the sole meaningful provider of public service broadcasting.
For the majority who do not read newspapers, the sole source of news is the hardline state broadcasting monopoly, Sound and Vision, which has so far refused to mention it.
The process is simpler on VidMe than on other sites, Mr. Siegel said, because the site was built with the sole purpose of sharing videos privately as opposed to broadcasting them publicly.
For many ethnic minorities, traditional broadcasting is no longer treated as a sole point of identification; nor is it necessarily viewed as the prevailing site of conflict in the way it was when anti-racist campaigns were at their peak back in the 1980s.
XM Satellite Radio Holdings has opened a broadcasting studio in New York, about nine blocks from its sole rival, Sirius Satellite Radio.
The country's sole independent radio station was shut down after only three days broadcasting in 2000.
Frost/Nixon could count as the sole British addition to this strain, though its attempts to inflate a broadcasting footnote into a momentous historical event were not entirely convincing.
Some of Twitch's Korean streamers have begun broadcasting in English, which allows them to cultivate global fan bases and, in some cases, make the platform their sole source of income.
