Anton Zeilinger from the University of Vienna and an international team of scientists have managed to send an encrypted message instantaneously across 140 km between two Spanish islands using quantum physics:
The photons they sent were linked together through a process known as quantum entanglement.
This means that their properties remained tightly entwined or entangled, even when separated by large distances, a property Einstein called spooky.
The group's achievement is important for the emerging field of quantum cryptography, which aims to use properties such as entanglement to send encrypted messages.
Y'know, this means that Jacques Toussaint Benoit got the right idea in the late 1800s. If he only used photons instead of snails ...
I guess that wikipedia page needs updating.