Related:

• If it's not there and you can see it -- it's virtual.
• TRANSPARENT: Being or pertaining to an existing, nontangible object.
  "It's there, but you can't see it" -- IBM System/360 announcement, 1964....
• Can you see the real me ?
• If you are crosseyed and dyslexic, can you see OK?
• It's what you can't see that can kill you.
• You can depend on nothing, you see?
• What is virtual memory? Virtual memory allows you to use more memory than your machine has.
  If something is transparent, it's there, but you can't see i...
• See if you can shout at just the right frequency.
• You see, Lord, she can be reasonable.