Their initial fears, however, were very well founded. A second important benefit is the 'personal' nature of radio as a medium. In spite of having never met face to face, a relationship develops. Given the potential audience for shortwave broadcasts, radio is an immensely cost- effective means of evangelism. Although capital outlay may be high, the ultimate cost of speaking to each listener every day is minimal.
Radio is a living medium, with live sounds and real people speaking.
It also has the advantage of bringing a current affairs perspective to its programmes. In times of crisis people turn to their radios for the latest updates. We can take advantage of such times to show how the Gospel relates to real happenings in people's lives, and is relevant to their situations and needs. A biblical response to human suffering and confusion provides a unique forum for teaching about the Lord's sovereignty, the fallenness of our world, and the love of God for the people He has made. Potential among illiterate peoples .