Poor health is the major transmission cause for most illnesses that affect Third World citisens. The client requested an email to raise awareness over the imminent need for sanitation.Our users’ help was necessary to avoid a severe humanitarian crisis and we wanted to let them eliminate the negative part of the email they had just received. Thus, we investigated how to modify the email and we found a technical solution never seen before. The effect was really amazing: when the user eliminates what he is supposed to eliminate, new illustrations, unseen till that moment, were shown.Results: Open ratio: 39%