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Gandhi, the biggest bookstore chain in Mexico is giving away a full type family named Gandhi. The web page states that the typeface will ease Mexican's reading by: having big body size, being light and thus achieving ideal weight when printed under less than ideal conditions by ink spread (the page cites inkjet printing), unadorned and undistracting, designed for body copy but friendly when used big.
Gandhi has been known for one of the longest and more memorable ad campaigns in Mexico: http://gandhi.com.mx/index.cfm/Publicidad and this typeface seems to be part of the advertising strategy, "To make you read" (Mexico has a real low reading rate.).