I've often thought about starting a delivery-as-a-service company where the deliverer wears their phone (or a phone) clipped to their chest (or diagonal satchel

I've often thought about starting a delivery-as-a-service company where the deliverer wears their phone (or a phone) clipped to their chest (or diagonal satchel strap) where branding might otherwise go. And the phone would automatically show branding of whoever they were representing for that particular delivery. If the rest of their uniform were neutral, it might work out.