In the past, it was common for people to keep an assortment of maps in their cars. That way, if they got lost, they could simply check the map and see where they needed to go. Now, carrying around maps is no longer necessary. Instead, people can carry an assortment of maps on their own phone or they have a GPS unit. Some people aren't sure about upgrading to digital maps. They may feel that paper maps are easier to use. Other people may want to avoid maps entirely. There are a lot of people that struggle to read maps; they may feel like carrying maps is a waste of their time.