If you visit the home of Bill and Melinda Gates, you will be given a name tag. This tag not only reminds the host of your name , it contains an RFID. The House will know where you are , your favorite music will follow you around , the lights will come on ahead of you and extinguish behind you.
This same system can know where people without the authorizing chip are making unauthorized entrance, pretty good security.
The Internet of Things is a system of sensors and actuators that communicate with the internet and can relay messages from each other to the internet if any are in shadow, you may never loose your keys or remote ever again.
G5 is going to improve the bandwidth of Bluetooth style connection to the point that every person can be surrounded by a dozen sensors that keep up with his stuff and his state of being, if you are not careful you might have hundreds of devices and sensors in your vehicle , kitchen appliances entertainment devices, pets, medical monitors and weapons, all communicating with each other and with the internet via your G5 cell phone.
Hey , your stuff will not only be theft proof , it will be hard to loose it at all, kidnapping will become extremely difficult, shoplifting will be impossible, nobody will get away with anything.
On the downside , nobody will get away with anything.