Accessibility has come to play a pivotal role on the world’s stage, gradually pervading different aspects of our lives as well as a vast range of fields, giving rise to a plethora of fruitful new ideas, methods and models, and becoming an ever more key issue within a process that is reshaping the very fabric of society. The ubiquitous effects of accessibility have led to the emergence of a new research field, namely accessibility studies (AS). This paper presents both the path that has led towards the emergence of AS as well as the distinctive features of this new field. AS is defined as the field concerned with the investigation of accessibility processes and phenomena, and the design, implementation and evaluation of accessibility-based and accessibility-oriented methodologies. The analysis is carried out mainly, though not exclusively, in reference to media accessibility (MA), as it is one of the most mature areas in which the process of the formation of AS has been taking place. It concludes by arguing that AS is a timely field that addresses the most pressing issues our society is facing nowadays and appealing to MA to embrace its identity as an area of AS.
In the paper it is argued that bridging the digital divide may cause a new ethical and social dilemma. Using Hardin's Tragedy of the Commons, we show that an improper opening and enlargement of the digital environment (Infosphere) is likely to produce a Tragedy of the Digital Commons (TDC). In the course of the analysis, we explain why Adar and Huberman's previous use of Hardin's Tragedy to interpret certain recent phenomena in the Infosphere (especially peer-to-peer communication) may not be entirely satisfactory. We then seek to provide an improved version of the TDC that avoids the possible shortcomings of their model. Next, we analyse some problems encountered by the application of classical ethics in the resolution of the TDC. In the conclusion, we outline the kind of work that will be required to develop an ethical approach that may bridge the digital divide but avoid the TDC.
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