Currently, liquids are required to be 100ml in a clear plastic bag while laptops and other tech need to be removed from your bag before the security check at airports.
Random security checks are commonplace in the states. Surely these people are eventually going to get tired of having full body pat-downs while, say, shopping for discounted Caesar salads at their local Costco, you say. Well, the guys at 4th Amendment Wear are definitely bored with the American security tyranny.