From a distance, a car is a tiny, futuristic device that allows us to walk from house to house, check email, and take selfies.

We’re not alone, however.

It’s the world’s largest and fastest-growing form of communication, with more than 20 billion devices worldwide and a population that could grow by more than 5 billion by 2020.

We decided to take a look at what makes your car unique and how you can use it for reading while driving.