The networks controlled 62.1 percent of the audience in prime time, down from 65.2 the previous year.

That could have made sense then, when the networks controlled nearly all prime-time viewing.

Those two networks currently control about 98 percent of the television-shopping market.

Of course, the networks control the most successful promotional vehicle of all: their own prime-time hours.

The studios have argued that the networks still control the nation's most important distribution system and continue to enjoy enormous profits and power.

The networks also control an exploding drug trade.

These networks control which genes are expressed in the cell in response to biological signals.

In 1983, the networks controlled 76 percent of the prime-time audience.

These networks control the debate on specific issues and prevent outsiders from having a voice in the policymaking process.

The network will supply, monitor and control application creation and operation.