Board Thread:General Discussion/@comment-36228836-20180719025845/@comment-35284508-20180719032135

1) They are generally saying thank you to someone. It it is noTY then they don't want TY gifts but I don't remember anyone doing that.

3) no. The only potential way is to send it and then crash your device. I remember studying handshaking and checkbacks that would prevent such aborted half transactions in computer science back in the early 1980s.