結構被害がでてるっぽい。「おれは操作ミスでこんな被害を出したぞ」スレみたいだ。 http://www.post-gazette.com/pg/05210/545823.stm On Jan. 1, 1996, the addition of a leap second made computers at Associated Press Radio crash and start broadcasting the wrong taped programs. In 1997, the Russian global positioning system, known as Glonass, was broken for 20 hours after a transmission to the country's satellites to add a leap second went awry. And in 2003, a leap-second bug made GPS receivers from Motorola Inc. briefly show customers the time as half past 62 o'clock.