A few questions of ethics when shopping:
When you go to a book store or a Wal-Mart and pick up a book and read the entire thing there and get up and leave and never purchase it.
Buy a plasma flat screen for the Super Bowl and return it the next day.
So its a question of ethics.
You would not treat your friends or family in that matter, so why would you treat a business like that?
I find people lose all ethics and caring if they do not know the person or its big business.
I will admit.. I have read a magazine one time in Wal-Mart and put it back after...