An early warning system (EWS) that successfully alerts a dispatch team but fails to reach the community at risk has not completed its job. In disaster risk reduction (DRR) practice, the difference between a warning sent and a warning received, understood, and acted upon is often where lives are lost.
NGO & Development
The Missed Call Is the Message: Collecting Field Data at Zero Cost to the Respondent
Jul 14, 2026
Every survey methodology has a hidden assumption built into it: that the person responding can afford to respond. For organizations collecting data from rural audiences across Sub-Saharan Africa, South Asia, and Southeast Asia, that assumption fails constantly. An SMS reply costs money. A data connection costs more. A survey that requires either one is not measuring what your audience thinks. It is measuring who can afford to tell you.