Like all his classmates, Insoo's main means of communication with his buddies is text messaging.

CNN: A day in the (digital) life of a South Korean boy

But spy-catchers usually prefer watching to pouncing, in hopes of finding a suspected agent's case officer or means of communication.

ECONOMIST: Russian espionage

In all the stir over this issue, it's important to remember that not only have modern means of transport and communication made it easier for movement to occur, but also technology has made it harder to chart the effects once it does.

FORBES: People!

It's laser-focused on giving you access to email, texts and other means of communication, as opposed to music, movies and games.

NPR: Review: BlackBerry Q10, The Keyboard Strikes Back

But the main means of communication with Beagle 2 was always intended to be its mother ship, the European Space Agency's Mars Express, from which it was released on December 19th.

ECONOMIST: The current crop of Mars missions has got off to a bad start