More to explore:
Submarine cable system via @flowingdata
Submarine Cable Map - Have you ever wondered how the world is connected to create the internet? Essentially, its just a vast network of cables around the planet, a great majority of the high speed links are via undersea cables to provide fast connectivity between continents and financial centers... http://brainfade.net/2013/03/submarine-cable-map/
Internet submarine cable map - check out the links to the interactive maps!
interactive submarine cable map done in Google Maps
Data Visualization of the Submarine Cable that support the Communication for Internet
The secret world of submarine cables: interesting article on internet cables laid across the ocean. Includes a historical map of telegraph cables.