the most successful indiegogo campaign was about canary home alarm system (see: www.canary.is). it is working in your home network and you can control it with your mobile device. when you come home, the device is disarming. when you leave, the system gets armed. what is missing: a flic button to arm/disarm the alary system at your front door in case you phone's battery is empty or you neighbor come into your appartment...