Young people's use of mobile phones is expanding exponentially across Africa. Its transformative potential is exciting, but findings presented in this paper indicate how the downside of mobile phone use in African schools is becoming increasingly apparent. Drawing on mixed-methods field research in 24 sites across Ghana, Malawi and South Africa and associated discussions with educational institutions, public policy makers and network providers, we examine the current state of play and offer suggestions towards a more satisfactory alignment of practice and policy which promotes the more positive aspects of phone use in educational contexts and militates against more damaging ones.

In this paper, we examine how economic, social and political forces impact on NCDs in Khayelitsha (a predominantly low income area in Cape Town, South Africa) through their shaping of the built environment. The paper draws on literature reviews and ethnographic fieldwork undertaken in Khayelitsha. The three main pathways through which the built environment of the area impacts on NCDs are through a complex food environment in which it is difficult to achieve food security, an environment that is not conducive to safe physical activity, and high levels of depression and stress (linked to, amongst other factors, poverty, crime and fear of crime). All of these factors are at least partially linked to the isolated, segregated and monofunctional nature of Khayelitsha. The paper highlights that in order to effectively address urban health challenges, we need to understand how economic, social and political forces impact on NCDs through the way they shape built environments.

Data from qualitative and survey research with young people in 24 locations (urban and rural) across Ghana, Malawi, and South Africa expose the complex interplay between phone ownership and usage, female empowerment, and chronic poverty in Africa. We consider gendered patterns of phone ownership and use before examining practices of use in educational settings, in business and in romantic and sexual relationships. While some reshaping of everyday routines is evident, in the specific context of female empowerment we find little support within our sites for the concept of the mobile phone as an instrument of positive transformative change. The phone's application in romantic and sexual relationships demonstrates particularly strongly the way phones are complicit in constraining women's empowerment and points to potential wider repercussions, including for educational and entrepreneurship trajectories. Women's agency is still mired within wider structures of patriarchy and chronic poverty: existing inequalities are being re-inscribed and reinforced.

a b s t r a c tCell phones present new forms of sociality and new possibilities of encounter for young people across the globe. Nowhere is this more evident than in sub-Saharan Africa where the scale of usage, even among the very poor, is remarkable. In this paper we reflect on the inter-generational encounters which are embedded in young people's cell phone interactions, and consider the wider societal implications, not least the potential for associated shifts in the generational balance of power. An intriguing feature of this changing generational nexus is that while many young people's phone-based interactions, from their mid-teens onwards, are shifting away from the older generation towards friendship networks in their own age cohort, at the same time they are repositioning themselves -or becoming repositioned -as family information hubs, as a consequence of their phone expertise. The paper draws on mixed-methods research with young people aged c. 9-25 years and in-depth interviews with older age-groups in 24 sites (ranging from high density poor urban to remote rural) across Ghana, Malawi and South Africa.

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