What would you do if you were invisible?

[babymuffin]

Added bonus - you can walk through walls too

I would take books and replace them with lookalike books with different text inside.
OR
raid music collections - to better understand people, their range of emotions, etc.
OR
just sit and watch people - being around people comforts me (usually)

P.S. it was decided last night that the opposite genders' bathroom is overrated/ been there, done that