I’ll spell it out for you guys - CBP provides open free WiFi in the immigration line at the airport where the typical person with no mobile service is on a visa.
This is a very different consideration now in the era of wiping phones than three years ago.
@hacks4pancakes So even without MITM, they can work-out what your device has been accessing.
So if you say you don't use Twitter, they can catch on a lie and send you back.
What else?
@hacks4pancakes It took me this post to realize that CBP meant Customs and Border Patrol rather than Citizens Bank Park.
(And how those two in contrast feel very uncomfortable.)
"Free phone charging, from the NSA" is always a good one.