In case you didn't know, 101010 is binary for 42. The answer to life, the universe, and everything.
I wrote a note, that said, among other things, "make sure you bring an extra handkerchief for me", which was totally necessary during the ceremony and the toasts.
I sent our photographer upstairs with the box and note and specific instructions to photograph his reaction and then bring my gift back to me. Because we had discussed exchanging gifts.
I got this note instead. The inside said "can't wait." The outside explained my gift: