typed messages and read messages. The term Avatar began to replace the moniker of "buddy icon" as 3D customizable icons became known to its users from the mainstream popularity of PC Games. Yahoo's instant messenger was the first to adopt the term "avatar" for its icons. Instant messaging avatars were usually very small; AIM icons have been as small as 16×16 pixels but are used more commonly at the 48×48 pixel size, although many icons can be found online that typically measure anywhere from 50×50 pixels to 100×100 pixels in size. More recently, services such as Discord have added avatars. With a paid subscription, users can select individual identities for different communities. Online assistants Avatars can be used as virtual embodiments of embodied agents, which are driven more or less by artificial intelligence rather than real people. Automated online assistants are examples of avatars used in this way. Such avatars are used by organizations as a part of automated customer services in order to interact with consumers and users of services. This can avail for enterprises to reduce their operating and training cost. A major underlying technology to such systems is natural language processing. Some of these avatars are commonly known as "bots". Famous examples include IKEA's Anna, an avatar designed to guide users around the IKEA website. Such avatars can also be powered by a digital conversation which provides a little more structure than those using NLP, offering the user options and clearly defined paths to an outcome. This kind of avatar is known as a Structured Language Processing or SLP Avatar. Video games Avatars in video games are the player's representation in the game world. The first video games to include a representation of the player were Basketball (1974) which represented players as humans, and Maze War (1974) which represented players as eyeballs. In some games, the player's representation is fixed, however many games offer a basic character model, or template, and then allow customization of the physical features as the player sees fit. For example, Carl Johnson, the avatar from Grand Theft Auto: San Andreas, can be dressed in a wide range of clothing, can be given tattoos and haircuts, and can even body build or become obese depending upon player actions. One video game in which the avatar and player are two separate entities is the game Perspective, where the player controls both themself in a