QR codes were created to make a way for people to easily scan codes to get to a website. So you could scan (example) a movie poster to go to the website that has advertisements and tickets.
Answer:
VPN Software
Explanation:
VPN (Virtual private network)
A network that create secure access of network to other network.
VPNs can be used in restricted websites and browsing.
They can be used to jot down messages
Hope it helps ! Plzz put me as a brainlies