Downloadable computer software for managing content and data on the Internet, mobile devices, augmented reality devices, virtual reality devices, and in applications; Downloadable computer software for locating and tracking devices and objects using GPS, wireless network assisted-GPS, ultra-wideband (UWB) wireless devices, camera imagery, visual inertial odometry (VIO), and/or other positioning technologies and for downloading and uploading of nearby content for use on handheld computers, lap...