Provide option for a terse voice mode. Currently, the voice prompts are verbose and intrusive to people using their smartphone to listen to podcasts, educational material, audiobooks, etc. An option to provide just the necessary turn by turn directions, shorter descriptions for highway exits (e.g. say "exit 5a" as opposed to "exit 5a main street north west"), use a chime sound in lieu of repeating the name of the road when it is time to turn, etc.