Well, Gms can watch you Invisibly No,w even for diablo2 LOD! I mqde a quick video of what invisible mode is like for diablo2 LOD :P
here is link
http://www.youtube.com/watch?v=eD9V8M-tFqQ
-Good luck!
:P Okay, delete this Thread, let me Link this Movie in something actuyally titled for the people who need to see this, to see it.