This chapter discusses an innovative approach to educational broadcasting developed in post-apartheid South Africa, in a broader context of media globalization, international policy transfer, and socio-economic and cultural transformation. I argue that the reorganization of the spatial scales at which media economies and regulatory regimes operate requires the rethinking of established understa...

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Domination of social media is giving today’s web users a venue for expressing their views and sharing their experiences with others. With well over a billion active users, social networking sites (SNS) have become dynamic sources of information on peoples’ interests, needs and opinions and are considered an extremely rich source of content to reach out to many millions of people. This is creati...

As online social media have become a global phenomenon, popular sites have been translated into many languages. However, since many social media sites rely on crowdsourced translation, privacy-critical pages are not always translated into all languages in which the sites are offered. In this paper, we examine whether or not privacy settings, privacy policies, and terms of service pages have bee...

This article deals with access and diversity as central concepts of modern communications policy. Access may be sought at different layers of the communications system (Section 2), each presupposing a specific elaboration of communications policy questions (Table 1). Diversity, that is media diversity, refers to media content (Section 3). Media diversity has two faces: reflection of population ...

BACKGROUND Restricting antibiotics sales to those with medical prescriptions only is a central strategy for promoting appropriate use and containing antibiotic resistance; however, many low and middle income countries have not enforced policies that prevent widespread self-medication with antibiotics. In 2010, the Mexican government announced the enforcement of antibiotic sales regulations, a p...

Public attitudes about dietary sugars have varied over time, depending on numerous factors including consensus and emerging science, public policy, and consumer attention. The rise of obesity, the increasing concern over its associated health consequences, and the role of sugars in the diet continue to be examined by the scientific community. The media, which closely monitor scientific publicat...

Within both academic and policy discourses, the concept of media literacy is being extended from its traditional focus on print and audiovisual media to encompass the internet and other new media. The present article addresses three central questions currently facing the public, policy-makers and academy: What is media literacy? How is it changing? And what are the uses of literacy? The article...

Due to the periodic nature of media playback, a multimedia server can service multiple clients simultaneously by proceeding in rounds, retrieving a fixed number of media units (e.g., video frames) for each client during each round. In this paper, we analyze the performance of a conservative and an aggressive policy for retrieving media units from an asynchronous disk array. In the conservative ...

Globalization affords greater opportunities to learn about foreign peoples than in the past. What impacts do interpersonal contact, media exposure to and knowledge about China have on the American people’s China policy preferences? Two large surveys of U.S. citizens were conducted in the summers of 2008 and 2009 to explore whether knowledge about China and prejudice against the Chinese people a...