We don’t want to believe what we deeply understand: nothing is really deleted, and someone, somewhere can (and probably will) use that record against us.

It’s possible that someone and somewhere will be a Customs and Border Protection agent at a US airport, as by now we’ve all heard a story of how has prevented a few unlucky souls from entering the USA – after spending hours or days in a holding cell – because of some post or other activity that someone decided made them unfit to cross the border.

Now that’s it’s happening, what can we do?