Intelink is a company that offers tracking solutions and phone camera micro lenses. They make GPS trackers for pets, prisoners and other The dog tracker costs $50 and offers around 8 hours of battery life. The location is updated every 5 minutes in the GPS modules on the trackers. A detachable phone camera lens that straps on different of devices costs $3.
Voyce makes a smart dog collar, monitors dog heartrate, respitory rate, distance, calories, rest. Putting all that information on a dashboard on the cloud. Providing graphs, stats about your dog. Sending you an alert to your smartphone when the system thinks you need to walk your dog.
PawsCam lifeblogs from your dog, they also make a smaller version for your cat to take pictures. It takes a picture every 2 minutes which you can then post to your instagram.
Here's a Dog Pedometer, also senses if your dog is shaking. It puts the data on the computer, let's you see online if your dog is doing enough exercise and if your dog is scared.