Kylo adds Rey as a friend on Spacebook. Rey overcomes her WTFness to accept, in the name of gathering intel on the First Order.

Before long, the Resistance and the First Order are involved in a flamewar. She and Hux have an ongoing private IM session mostly about trash-talking Kylo. Everyone is trying to work out who Poe hasn't sent nudes to. All Staff emails keep having to be sent around both bases to remind people that Checking In will give away their position. And so forth.