Unless you share the backup HD only the local user is going to see it. Given that it's a server, it's not a problem. You can also hide the backup with attributes +h +s and many other ways.
Gray isn't a color to be exact it a shade or what some people call it a shadow just like black but if you add more gray to a look lets say RED it will make it kinda faddy and more darker then it was
Formatting can maybe be applied to software works
Answer:
Artificial Intelligence.
Automated personal digital assistant.
THz frequencies for Communications (5G & 6G)
Blockchain.
Virtual reality and augmented reality.
Internet of Things (IoT)
Visible light communication.
LTE.
Explanation:
