They help answer questions from the viewers using their own experiences.
During any Discovery program, a viewer can use his or her remote control to open a small window on the screen.
The product would let viewers use their television sets to shop, bank, pay bills, and order food and other services.
We know it's not enough, but we have great faith that our viewers will use all the resources before them to make wise choices.
Multimedia combines the sights and sounds of television, while the viewer can use the computer to control what is seen.
But viewers who want to see professional football games not broadcast in their home market must use satellite service.
His viewers used to count on the fact that Woody Allen would never talk down to them.
Nervous laughter is also built in, and jumpy viewers can use every bit of it.
Though never intended as a teaching tool, various viewers used the knowledge they obtained watching the show.
Increasingly, viewers will also be using broadband connections to watch television programmes.