Diffusion of many successful communication technologies, like telephony and television technology, follows an almost perfect S-shaped curve. This curve implies that, after their introduction, subsequent sales of products on the basis of these technologies can be predicted accurately. However, the diffusion of other breakthroughs in communication technologies, like interactive television, videot...

Using the Portuguese interactive television service from TV Cabo as a working basis, this paper discusses the potential of communication services such as chat, forums and multi-user games to act as iTV community builders and to become real iTV killer applications. In the three cases presented in this paper – multi-player iTV games, interactive football matches and iTV talk-show “Noites Interact...

BACKGROUND Following the entrance of new technologies in health information era, this study aimed to assess changes in health information sources of Iranian people during past decade. METHODS Totally 3000 people were asked about their main sources of health information. They were selected as two community-based samples of 1500 people of more than 18-years-old in two different periods of time ...

In this article, the rapid development of communication and data transmission tools such as Internet, television, film, radio, video, mobile phone, slides rates reflecting various data, formation information culture awareness elimination problems security growing generation are considered to be one pressing issues today.

Regulation of radio began in 1910 when Congress passed modest legislation over the infant wireless communication industry. Following the development of broadcasting and a surge of growth during the 1920s, the Radio Act of 1927 was passed. The act created an independent commission to determine regulatory policy for broadcasting in the United States. The venerable Communications Act of 1934 expan...

BACKGROUND Like many sub-Saharan African countries, Zambia is dealing with major health issues, including HIV/AIDS, family planning, and reproductive health. To address reproductive health problems and the HIV/AIDS epidemic in Zambia, several social marketing and health communication programs focusing on reproductive and HIV/AIDS prevention programs are being implemented. This paper describes t...