Several major websites including Instagram, Pinterest, Netflix and Amazon crashed at midnight UK time, with many offline for around 40 minutes.

If a leap-second causes that many problems, I can't wait for the solar prominence effect.

A sun blast would be kind-of like a neutron bomb. Except, instead of wiping out all the people and leaving the infrastructure, it wipes out all the (electronic) infrastructure, and leaves the people - helpless, gasping, crying, clutching their cells and tablets.