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Copyright of MATRIZes is the property of Universidade de Sao Paulo, Programa de Pos Graduacao em Ciencias da Comunicacao and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

The long history of mass communication theories is full of metaphors, from Shannon and Weaver’s ‘transmission channel’ to Noelle-Neumann’s ‘spiral of silence’. The objective of the chapter is to give an overview of the use of metaphors and models in mediatized communication studies. Special attention is given to the metaphors that support the representations of digital and interactive communication practices; in this context, the chapter deals with the metaphors of the Internet, the World Wide Web, and new platforms and introduces the main metaphors of media change. The chapter concludes with a series of reflections on the risks and benefits of metaphorical reasoning and includes a call for ‘metaphorical experimentation’.

Copyright of MATRIZes is the property of Universidade de Sao Paulo, Programa de Pos Graduacao em Ciencias da Comunicacao and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of MATRIZes is the property of Universidade de Sao Paulo, Programa de Pos Graduacao em Ciencias da Comunicacao and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of MATRIZes is the property of Universidade de Sao Paulo, Programa de Pos Graduacao em Ciencias da Comunicacao and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of MATRIZes is the property of Universidade de Sao Paulo, Programa de Pos Graduacao em Ciencias da Comunicacao and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of MATRIZes is the property of Universidade de Sao Paulo, Programa de Pos Graduacao em Ciencias da Comunicacao and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of MATRIZes is the property of Universidade de Sao Paulo, Programa de Pos Graduacao em Ciencias da Comunicacao and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of MATRIZes is the property of Universidade de Sao Paulo, Programa de Pos Graduacao em Ciencias da Comunicacao and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of MATRIZes is the property of Universidade de Sao Paulo, Programa de Pos Graduacao em Ciencias da Comunicacao and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of MATRIZes is the property of Universidade de Sao Paulo, Programa de Pos Graduacao em Ciencias da Comunicacao and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Considering the relationship between politics, media and publicness, this paper ponders the consequences of visibility in the political field. Identifying some of its existing regimes, it will posit that today visibility plays an ambivalent function to politics: it can simultaneously operate as a synoptic monitoring and control of politicians; and at the same time it may stand as an opportunity to build a charismatic leadership. In fact, political visibilities are now negotiated between the boundaries of private and public realms, and they can take the form of a risk, or an opportunity to build on a charismatic leadership.

Copyright of MATRIZes is the property of Universidade de Sao Paulo, Programa de Pos Graduacao em Ciencias da Comunicacao and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of MATRIZes is the property of Universidade de Sao Paulo, Programa de Pos Graduacao em Ciencias da Comunicacao and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of MATRIZes is the property of Universidade de Sao Paulo, Programa de Pos Graduacao em Ciencias da Comunicacao and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of MATRIZes is the property of Universidade de Sao Paulo, Programa de Pos Graduacao em Ciencias da Comunicacao and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of MATRIZes is the property of Universidade de Sao Paulo, Programa de Pos Graduacao em Ciencias da Comunicacao and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of MATRIZes is the property of Universidade de Sao Paulo, Programa de Pos Graduacao em Ciencias da Comunicacao and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of MATRIZes is the property of Universidade de Sao Paulo, Programa de Pos Graduacao em Ciencias da Comunicacao and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of MATRIZes is the property of Universidade de Sao Paulo, Programa de Pos Graduacao em Ciencias da Comunicacao and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)