The Uber app is itself a channel for Uber to reach out to people. It might seem strange but it is a fact that Uber has created a strong demand for its app. It has become the need of people to download the app and use Uber services. With the app, Uber provides its customers a seamless experience. They didn't fix one aspect of the system (e.g. mobile payments for the existing taxi infrastructure), they tackled the whole experience from mobile hailing, seamless payments, better cars, to no tips and driver ratings, all using the Uber app. The Uber's app relies heavily on Google Maps. Google, with billions of dollars in the bank and house-by-house maps of most of the planet, seemed like the perfect partner for Uber, the hugely popular ride-hailing service. This partnership enabled Uber to display pickup times and fare estimates without users having to leave the Uber app. Distribution channels don't stand still, new channel systems evolve all the time. Based on the details provided above, identify and explain the channel integration system used by uber