The problem is to locate the geographic area where a survey was conducted, many interviewers do not do their job properly, do not go to areas where they conduct surveys in some cases fill surveys sitting on the curb of a street.

With the use of information technologies, the application of surveys using a tablet or smartphone can add georeferencing using GPS or A-GPS, the objective is to capture the point where the survey was started from a tablet or smartphone and have the exact reference of the progress of the interviewer.