One popular form of Cameo comes from the movie industry and that is to have the director, or creator of the franchise, appear within the franchise itself. Much like Avatar, which had both Aries and Pisces as its two main realms, Cameo can also be of both sexes (although it was more common in the female realm in the latter period of the movie franchise). Like Avatar, Cameo can appear anywhere within the movie, often within the beginning or end credits. As with the movie, Cameo is either a cameo as themselves, or someone else, whereas Avatar had a vast number of Cameo throughout the entire movie itself, which helped to make it easier for the audience to remember certain locations or events.
However, while a Cameo may come from the movie industry, the earliest cameos are most commonly from Windows computers. Two examples of these are the very first song played at the intro to Star Wars when the Emperor stands before the assembled Death Star plans, and cameos can also be found in Alfred Lord Tennyson's "The Marriage of Figaro". The early cameos often referred to are often those that were found on the computer screens of those who visited the movie, such as the ones showing Luke Skywalker at the Emperor's Palace in Star Wars. The Cameo software featured within Windows initially limited the number of colours the image could take on, as well as the thickness of the lines on the screen. However, with time the number of colours and thickness of the line could be increased, making it possible for more complex cameos to be created.
While many computer users have only ever seen the binary form of the cameos that appear on their screens, those who used computers a lot more commonly would have been familiar with the music notes that accompanied these images on the monitor. In fact, if they happened to be playing some sort of computer game at the time, they would have even been able to recognise and interact with the image generated on screen, through either voice or text. Nowadays, if you happen to own a Windows computer, chances are you will have some form of digital signage running around your desktop, which uses the same sort of binary code that was used in these early movies to tell people where to go next on a computer screen.