When Meta announced its plans for a vast new fiber optic network covering 50,000 kilometers and linking five continents last month, the company’s selling point was cutting-edge undersea cable tech.

It is estimated that more than 95% of the world’s intercontinental information ... Within those cables there are tiny strands of fiber optic material, the width of an eyelash.

Subsea cables are massive fiber-optic cables laid on the seabed ... delivering 99% of the world's intercontinental data traffic. "Undersea cables are part of critical national infrastructure ...