First, the ESRB, which is a non-profit self-regulatory body, independently rates every computer and video game on store shelves.

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Gallagher, president and CEO of the Entertainment Software Association (ESA), which is the trade association for U.S. computer and video game publishers.

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The computer and video game industry employs more than 120, 000 people, a figure that will grow, said Rich Taylor, a spokesman for the Entertainment Software Association, a trade association.

WSJ: NYU to open center for studying games in Brooklyn

Systems such as the ColecoVision, TurboGrafx-16 and 3DO may have been ousted from most home entertainment centers long ago, but they still have shelf space at the University of Michigan's Computer and Video Game Archive.

ENGADGET: University of Michigan's Computer and Video Game Archive houses over 3,000 different games, roughly 35 unique consoles (video)

Often, childhood obesity is attributed to a " toxic environment, " filled with endless hours of computer use and video game playing.

CNN: Schools given $25K to help kids move

They now covered areas such as computer game testing, broadcasting, film and video, hospitality and catering, with new schemes coming along all the time.

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