Subsea cable and its growing stretch The subsea cable plays a critical role in global communication and geopolitical power dynamics. Around 99% of the global data are transmitted through subsea cable, making them vital for internet connectivity and international finance. The development of the subsea cables have been shaped for 180 years by private sector firms and international companies. The first subsea cables were developed in the 1820s by an attaché to the Russian Embassy in Munich to send electric telegraph communications....