imaginima / Getty Images Early this week, Iranian state-linked media floated a plan to charge the operators of undersea internet cables in the Strait of Hormuz for access to what they say is Iran’s offshore territory. The suggestion comes after Iranian warnings that several important cables in the strait were a vulnerable point for economies in the Middle East. Iran’s comments expose an invisible foundation of the internet and globalisation itself: the web of more than 500 undersea cables that c