As the third part of this prototyping series, Cris Valerio shares her experience planning, implementing, and iterating one of four prototypes created by the IDEO.org team and CGAP to increase mobile money usage in Ghana.

In part two of our three part prototyping series, John Won shares his experience planning, implementing, and iterating one of four prototypes created by the IDEO.org team and CGAP to increase mobile money usage in Ghana.

After a brief period of synthesis, working with CGAP and the client team to brainstorm new solutions for increased usage of mobile money, Cris Valerio and her IDEO.org team return to Ghana for some rapid prototyping and iteration.