Thin underwater cables hold the internet. See a map of them all. [video]

The internet is known to pulse through fiber optic cables and cell phone towers, but 99% of high-speed international information is transferred under the sea.

How long has this been happening?

Underwater cables delivering information isn't a novel idea — the first Transatlantic cable was laid in 1858—undersea cables have been around since the telegraph.

Source: Vox