When someone steals your stuff, you can feel helpless. Feel helpless no more and take action! There are RFID, GPS, GEOFENCING, and INTERNET tracking options.
https://www.immobitag.com/ -RFID Tracking For Bikes
https://www.gadgetreview.com/reviews/gps-tracking-device-reviews – GPS Track Any Device!
https://www.pcmag.com/feature/265209/six-security-apps-that-can-help-recover-a-stolen-laptop – Track Your Laptop(s)!
https://spying.ninja/mspy/ – Geofencing your children’s devices.