A gamer is a person who plays interactive games, especially video games, tabletop role-playing games, and skill-based card games, and who plays for usually long periods of time. Some gamers are competitive, meaning that they compete in some games for money. There are many different gamer communities around the world.

Augmented reality (AR) involves overlaying visual, auditory, or other sensory information onto the world in order to enhance one's experience.Unlike virtual reality, which creates its own cyber environment, augmented reality adds to the existing world as it is.