Where is your mobile phone
"oh, i didn't bring one - it works out cheaper for me to just buy one when i get here, and use pay as you go rather than pay the excessive fees needed to use my own phone here!"
It's the excuse i'll use - same for my laptop, if/when i have to travel to the USA, i'll be taking very little electronic gear (maybe i'll buy a new kindle, put some books on it and read on the flight)
As for social media accounts - well, i do have them, but i'm not sharing the passwords - that's a breach of the Terms and conditions i signed up for.
I would, however, prefer never to travel there. Unfortunately, i have family in the USA and i do miss them.