Hello. Nice idea.

Is there any parallel service provider on the same field? IF yes, then it would be important to study analyse the service features of both.
Do you record a feedback of those who use your service model? This would help the project in final phase.

Hello. Nice idea. Any survey done on the geographic location of the people whom your system will be serving? This will help a lot in the finalisation of the concept and estimating the cost of the project.