Startup Idea : Products Facing on Supermarkets

One of the most important point in market research is the facing (Number of lineal meters on the shelves) of each product in the supermarket, but the control way is very difficult for the consumer goods companies... my idea is that every day one guy could enter in the supermarket with a 360 degrees camera (like google cameras) and go across the supermarket aisles and take a new picture of the complete state of the products in this time in the shelves and every company of consumer good (subscribed to my service) and their KAM (Key Account Manager) could see what happend with their products every day only with entering in the web site where the pictures will be procesed