a) Research and find 5 facts about NFC tags (what they are, how they work, where they are being used etc).
1. It gives your phone or a device instructions as data and numbers
2. The actual amount of data varies depending on the type of NFC used
3. They don't used batteries they get power from sitting next to a device
4. They only use for Windows,Androids but not for Macs
5. You can buy them form Rapidnfc
6. You can set your alarm auto
7. You can unlock your car with NFC
7. You can unlock your car with NFC
b) What is good about NFC tags?
They help you to find information and you can lock websites and phone numbers
c) What is one potential weakness of NFC tags?
When you lock something you cant unlock them again for ever
If you drop your phone someone might get in your car with your phone 
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