Mengjin Fire CCCF certification: First, get your own free "hidden perk": click [link] and you'll get some special offers that you can use in the Maps app! Secondly, no matter what the app is, you should pay attention to privacy issues and minimize sharing location information when using it. Finally, explore the unique features within the map, such as real-life imagery, geographic information, and community-contributed markers, giving each map its own unique color.