9 Devices for navigation, namely, global positioning systems, consisting of hardware, software, transmitters, receivers, and network interface units; Global Positioning System (GPS) apparatus, consisting of hardware, software, transmitters, receivers, and network interface units; Transmitters and receivers for global positioning systems (GPS); Global positioning software; Global positioning software applications for smartphones, mobile phones, and digital tablets; Software applications for smartphones, mobile phones, and digital tablets for transmitting messages to users in a given geographical location; Software applications for smartphones, mobile phones, and digital tablets for gathering information relating to a given geographical location and relating to the geographical location and movements of people; Software applications for smartphones, mobile phones, and digital tablets for gathering information by means of a network of users