Hmm... Not sure if I agree that gaming has a positive effect on employment, since it cause problems such as being anti-social and addiction, some people even giving up their day jobs to play more computer games. That last fact is interesting though, and could be tested out, although it might result in self-discipline becoming non-existent, if everything becomes enjoyable. After reading this it seems that work and play have both inspired each other, games probably taking the concept of ranks and achievements from the military for example, while other jobs are now incorporating 'leveling up', etc. after looking at computer games, as it says in the article.
Nice find anyway Daemon.
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