Radio, radio ... and convergence

As someone with active involvement and/or interest in community media I wonder if you agree with Natasha Beale's analysis in her blog Reaching Marginalized Populations: the Power of Radio and Mobile Voice that: "Indeed, radio is still the most pervasive medium of information in the developing world, with radio penetration and access close to 100% in many developing nations. Our experience is in accordance with other practitioners and researchers in the field of ICT4D and Communications for Development, who argue that older technologies cannot be dismissed, and that technology convergence, rather than the latest new ICT, holds greater transformative potential"?