"And, more seriously, computer booking systems used by Qantas Airlines all struggled, delaying flights by hours .... Matsakis spoke of a Switzerland power compa

"And, more seriously, computer booking systems used by Qantas Airlines all struggled, delaying flights by hours .... Matsakis spoke of a Switzerland power company whose backup systems only turn on when needed—otherwise, they sit disconnected from the network. When they were activated in a test after the last leap second, they crashed." Perhaps the fragility of these systems is more of a problem than the leap-second?