It only takes a single second to wreak havoc on the Internet.
The addition of a leap second to the Coordinated Universal Time at midnight Greenwich Mean Time last night appears to have caused site disruptions for a handful of popular Web sites and software platforms.
The adjustment, which was made by International Earth Rotation and Reference Systems Service, was necessary to keep atomic clocks in line with the Earth's ever-changing speed of rotation. Dozens of leap seconds have been added since their introduction in 1972.
