I like the idea of this! But I always assumed I would need some sort of expensive GPS tracking system i'll have to try and find some software/company who track mobile phones. I don't distrust the drivers but sometimes one of the front of house may consider going out on deliveries if the drivers aren't back but if I can tell where they are and if they'll be back soon I wouldn't have to be short staffed in house when the driver is just about to arrive.