We need to create a location aware marketing application to push notifications to users who are nearby a certain location. The idea is listed under the Geo-marketing is powerful section under http://blog.parse.com/2012/11/26/dont-be-pushy-10-useful-tips-for-awesome-push-notifications.
The application will host advertisements of stores. End users will have the option to subscribe to push notifications from stores. They will get the notification when they are near the restaurant.