A. Digital maps cannot be updated as quickly as printed maps. B. Creating a digital file will cost more money than printing the maps. C. Not every visitor will have a mobile device on which he/she can view the map. D. Digital files will reduce the amount of litter caused by maps left behind at the park. The local amusement park has decided to stop printing paper copies of the park map. It will now only be available as a digital file. Why do some visitors think this is a bad idea?