Recent RISD grad (alma mater shout out), Erik Askin recently published "Designed to Annoy: A theoretical look at designing inefficient packaging", a thoughtful twist on the ubiquitous cigarette package
While your safest bet is to simply not bring these, here are some examples of items you might have thought you could bring in your carry-on but you definitely cannot: peanut butter (its not solid), a magic 8-ball (its filled with liquid), strike-anywhere matches (only safety matches are allowed), Samsung Galaxy Note 7 phones (its permanently banned on planes or in the mail by the Department of Transportation) glow sticks (contain liquid, subject to the 3-1-1 rule)
Previously, only indoor public places, such as bars, restaurants, hotels, public transport or workplaces were turned into smoking-free areas
Because vaping eliminates combustion, it significantly reduces exposure to tar, carbon monoxide, and other toxins