Student of one Russian institute of high education resorted to curious method of revenge for spam delivery. Wishing to pay back to groupmate, who regularly sent spams by ICQ, a guy wrote following announcement: "Child urgently needs a donor of 3 negative rare blood group. We couldn`t find it in hemotransfusion stations, nowhere. Save us! Reward is guaranteed", and put telephone number of a groupmate, with request to send this message to all people in contact list. Several days later telephone of unlucky groupmate almost exploded. By his words, people were calling with interval of 2-3 seconds. "I found out that there are lots of good people, who are eager to help. They were interested in child and suggested assistance. Thank you, dear people, I am moved to tears!!!", - wrote victim of wicked joke in life internet journal, adding that he has no children.