They come to us from Japan where they are very common. QR is short for Quick Response (they can be read quickly by a cell phone). They are used to take a piece of information from a transitory media and put it in to your cell phone. You may soon see QR Codes in a magazine advert, on a billboard, a web page or even on someoneâs t-shirt.
The first virtual worlds were text-based and often called MUDs , but the term is frequently used in relation to massively multiplayer online role-playing games (MMORPGs) and pervasive games . Overview A persistent world can be achieved by developing and maintaining a single or dynamic instance state of the game world that is shared and viewed by all players around the clock.
Word by Word Definitions. persistentplay. : existing for a long or longer than usual time or continuously: such as. : retained beyond the usual period. : continuing without change in function or structure.