If used properly, smartphone can be a great travel companion as well as make driving easier it can also helps you with some action without you having to divert your attention from driving.
Zero Touch by Logitech, for example, is a device that also responds to WhatsApp; its use is very simple: once downloaded the app, just place the device on the car dashboard and connect the smartphone.
At this point you have available many services to manage by voice: set the destination, replies to WhatsApp messages and to emails, handle music on Spotify … all while keeping the focus on the road.
Don’t you find it very useful?