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There is increasing interest in using computing applications towards the socio-economic development of the poor. However, because poverty commonly correlates with illiteracy, researchers have identified various usability challenges that low-literate users may encounter in interacting with traditional text-based UIs. To counter such problems, researchers have proposed non-textual UIs for these users. However, most current work focuses exclusively on illiteracy (the inability to read) per se,doi:10.14236/ewic/ihci2010.1 fatcat:owhr6cczxbenzbdwzqtebzfgo4