The document discusses using participatory video and mediated instruction for agricultural extension. It compares the classical, digital, and poster approaches to disseminating agricultural information to villages. The digital Green approach using video and a village mediator had the highest adoption rate of 85% while costing $630 per village per year, giving it the lowest cost per adoption.

1. Participatory Video and Mediated Instruction for Agricultural Extension Rikin Gandhi digital GREEN .org

2. MIT System Background of actors in video, Types of content, Location and timing of screening, Method of dissemination, Degree of mediation, Background of mediator, etc.

3. Who is the Technology Review Audience? MIT Technology $150 $250 System Cost (USD) /Village/Year Adoption (%) /Village/Year Cost/Adoption (USD) Classical GREEN $840 11% $38.18 Digital Green $630 85% $3.70 Poster Green $490 59% $4.15

4. MIT Network Effect