It shows its emotions in the form of giant emoticons on its screen. Some (rather immature, I must say) Signers find it quite amusing to tell their Monitors to display rather rude emoticons and messages.In-game description
The Monitor is the Stage 2 power form of the Virtual group.
Monitors cannot be found in the wild. They are not used by any enemy signers, except for those participating in the Random Tournament.
A Monitor can be evolved from a Sprite. In the alpha version it cannot evolve again.