That is 485 billion GB of porn.
The World Wide Wibble is now made up of 486 billion gigabytes worth of data, according to bean counters IDC.
According to the Guardian newspaper if that data were bound into books it would create a stack that would stretch from the Earth to Pluto ten times. The stack of books is apparently growing faster than Nasa's fastest space rocket. Part of the reason is that large files from digital cameras and the world's army of surveillance cameras are sucking up bandwidth. Another reason is the increase in machine to machine communications in Internet transactions.