Well, it's the strangest thing. I received a message on Sunday, not long after the expulsion... I showed it to Jiaoqiu, and he said that it was Morse code. And after we sat and decoded it for a bit, it said... "Knock knock."

[ thoughtfully... ]

I thought it was someone trying to...enter something? As if they were knocking on a door. But, Jiaoqiu informed me that it's also a type of wordplay joke, and now I have these two pieces of information, but I'm not sure what to do with them.