What is a Second Screen?
A second screen is a second electronic device used by television viewers to connect to a program they're watching. A second screen is often a smartphone or tablet, where a special complementary app may allow the viewer to interact with a television program in a different way - the tablet or smartphone becomes a TV companion device. The second screen phenomenon represents an attempt to make TV more interactive for viewers, and help promote social buzz around specific programs. A second screen is also known as a companion device.