While commonly held to be good practices, many of the actions listed are actionable -some are even criminal. Be very sure you know where you stand legally before attempting to detain someone against their will, or to deprive them of their personal property. Most likely you will be fine, but all it takes is one person asserting their rights, and someone overzealously acting on the company's behalf, and you have a serious problem.
Did you ever drink the contents of a glowstick when you were a a kid?
I'll give you three guesses as to the source material for their development.
This is GMO I can truly appreciate. Of course, I would also support development of gigantic venus-flytraps that are self-mobile...