This (free) documentary, called code breakers, shows the benefits of Linux and FOSS ( Free and open-source software) for development countries.
From their website:
The Team of independend producers visited nearly 12 Countries worldwide to see how the adoption of FOSS presents opportunities for industry and capacity development, software piracy reduction, and localization and customization for diverse cultural and development needs.
Stories from The Codebreakers include computer and Internet access for school children in Africa, reaching the poor in Brazil, tortoise breeding programmes in the Galapagos, connecting villages in Spain, and disaster management in Sri Lanka. The documentary also includes interviews from key figures around the world.
Production company: UNDP Asia-Pacific Development Information Programme, International Development Research Centre of Canada and UNESCO, The International Open Source Network (IOSN)