99% of the internet travels through a hidden underwater network

Technology · Published 1 November 2026 Swipe more like this →

In short: While we often imagine data moving through the air, the vast majority of our digital lives actually travel along the ocean floor. This video explores the massive subaquatic infrastructure that powers modern connectivity.

The global internet relies on a sprawling network of undersea cables to transport nearly all online activity. This includes everything from high-bandwidth video streaming and mobile gaming to private messaging apps.

Because modern society is so deeply integrated with these systems, the physical security of these subaquatic wires is critical. The infrastructure faces various environmental threats, including occasional attacks by sharks.

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