You don't have to do a face or full-body scan at TSA if you don't want

There are a lot of rules once you set foot in an airport, but some you don't have to follow.

Presenting a REAL ID document? Yes, you do have to do that or face a $45 fee. Shoes off during security screening? No, that's no longer a thing.

What about all the new technology at airports?

It is perfectly legal to opt out of the Transportation Security Administration's scanning technology at airports. Passengers with a boarding pass that indicates they have been selected for enhanced screening may still be required to undergo the scan, but TSA says that "will occur in a very limited number of circumstances."

TSA urges travelers to avoid two tempting airport freebies