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Besides the work of Jensen (2007), there is little quantitative evidence on the impact that mobile telephony has had on household welfare. In considering the rural household welfare, the possibility is open of finding impacts of information that is accessed via mobile phone in several markets where rural households are usually inserted: agricultural product markets, agricultural services markets, agricultural byproducts; but also in labor markets that often supplement income diversification strategies of these households.

Using a database collected to measure the impact of mobile telephony in the welfare of rural households in Puno, Peru, this paper seeks to focus attention on the markets for agricultural products and by-products. The aim is to measure the contribution that has the use of mobile telephony in the profits resulting from the development of agricultural activities, using econometric techniques associated with quasi-experimental methods of impact assessment. How much does the mobile phone contribute to agricultural earnings? What is the differential impact of mobile phone use vis-a-vis scale variables such as farm size or the number of cattle, or diversification, as the total number of crops, or vertical integration, as the production of agricultural products, on the results of farming?

We expect to find different impacts depending on the type of use of mobile telephony, ie if used for information to affect the agricultural production function or is used to make marketing decisions. The results can help justify public policy efforts to include mobile telephone service as a basic service as well as the development of specific mobile livelihood services for farmers from the mobile communication technology, yet absent in Latin America.

The aim of this paper is to present the main findings of the interviews and observation undertaken in health locations in rural areas of Peru, aimed at exploring the application of mobile technology for health in isolated areas, and thereby to provide wider reflections about the use of mobile phones to improve health delivery in isolated areas in developing countries. It also reflects on methodological complexities, particularly those related to the application of online research methods, through the experience gained during the research.

The great growth of the penetration of mobile phones in developing countries has attracted the attention of the ICT4D community and numerous publications reflect about their impact for development (see for example Donner, 2005; Vodafone, 2004; Sullivan, 2007 or Scott et al., 2004). A part of this literature is focused on the application of mobile phones for health delivery (bridges.org, 2005; Katz, 2005 or Voxiva, 2005). Nevertheless, publications about the application of mobile phones for health focused in rural areas of developing countries are still scarce. This paper focuses on this gap of the literature, focusing on rural areas of Peru and wider reflecting about the behavior of mobile phones in this specific context. 

Given the evolution and forecasts of penetration of mobile phones in developing countries (see Gartner, 2006 or Donner, 2005) as well as the appealing of these devices for the population (Castells et al.,2007), it is important to remark that Health Ministries in developing countries and development agencies have not paid enough attention to the possibilities that mobile technology brings for health delivery. 

This paper reports on the interviews to healthcare workers undertaken in rural areas of Peru, aimed at exploring their perception about how mobile phones can contribute to the resolution of their information and communication needs, as well as provide wider reflections about the general debate about the benefits of mobile phones for health for development. The workers were chosen as participants in two innovative and contrasting ICT4D projects: CellPREVEN and EHAS, seeking at obtaining valuable feedback about their experience on one side, and their opinion as healthcare workers with no previous experience on the use of mobile telephony within an ICT4D initiative, on the other. Additionally, the paper aims at exploring the complexities involved in the methodology, particularly the difficulties in the appliance of online research methods during the research.  

The article is structured as follows: first, the context of the research is presented; after that, some methodological issues about the field work in Peru are discussed. Next, the most remarkable findings of the interviews are presented, linked to wider reflections about the benefits of mobile phones in rural areas of developing countries. These results highlight three important advantages provided by mobile phones: the value of the immediacy in the communication for emergencies, the potential of multimedia capabilities of mobile phones and the improved reliability comparing to other technologies, but they also reflect on the recent limitations for their adoption and use in isolated communities. The article ends concluding that the application of mobile phones for health delivery is clear and of great impact in isolated areas of developing countries, but limited at this moment, with great potential in the short term.

In many parts of the world, mobile phones are important devices that have proven to be the first
opportunity for many people to have access to telecommunications. Considering the possible
impact of this development in welfare, the main purpose of this research is to investigate how
important formal education is for using mobile phones in making production decisions.
Specifically, we will analyze if this kind of technology is employed for production decisions in
rural areas in Puno, a Peruvian department in the southern highlands, bordering Bolivia. In
our case, production comprises livestock and agriculture. One of the main results is that no
matter how educated people are; if education is of poor quality, it will not have a significant
impact on the probability of making an effective use of mobile phones.