Electronic media were especially important, given Afghanistan's high illiteracy rates.
Even if they can't text [due to high illiteracy rates] they can make calls, very important for emergencies.
Because of the high illiteracy rate in South Sudan, radio is the most popular form of mass communication.
To meet the educational challenges in India, DataWind has worked to address the key demands of a large population, whose poor communities often face disproportionally high illiteracy rates.
"With such a high illiteracy rate, and such important messages to get across, sometimes a catchy or humorous song is the best way.
What about rural Kenya, where the practice of passing wives down from one infected brother to another is common in some villages with high illiteracy among women?
Fear, rumours and conspiracy theories have conspired with poverty and high illiteracy to allow the disease to flourish in two countries whose infrastructure is already weak.
"We feel that being based in South Africa, a country with high illiteracy levels … we must support the initiative," said Angelika Elstner from AntiquarianAuctions.com, one of the organisers.
Getting hold of the constitution itself is not easy, and with such high illiteracy levels of more than 80% among women, they cannot read it.
For decades, government officials had blamed rural apathy for India's high illiteracy rates, saying that families preferred sending their children into the fields, not the classroom.
High illiteracy rates among women in many countries and cuts in government aid for drugs for malaria, H.I.V. and tuberculosis "have led to the rampant spread of infectious diseases that affect the world's poorest communities," she added.
