a) Research and find 5 facts about NFC tags (what they are, how they work, where they are being used etc). Write up the 5 facts in your post.
It is a application of RFID the wireless technology shops use to stop shoplifting.
U can also use it for setting the brightness and set the alarm for the morning.
b) What is good about NFC tags
You can use them to set things on your phone.
c) What is one potential weakness of NFC tags?
People can hack them.