'I think this would be cool because this day in age there's so many people and so many things to protect. I came across this on Wall street daily, this is actually possible. According to scientists at the University of Taiwan, everyone has a unique heartbeat and can be decoded to be encrypted to open or unlock things. Similar to how fingerprints work. Both are effective. I think this would be a cool way to open things because its extra secure. I'm sure we have all seen those crime shows where you'll see the bad guy transfer someones fingerprints, and get whatever doesn't belong to them. Even if you haven't seen this, just know that its exists. So, for something like a heartbeat, its not an easy transfer. I overall think this is a good idea because it gives people that really need it, that extra security not given by fingerprints.