What this means is that if you are successful at the game and have a lot of in game currency, ISK (InterStellar Kredits), then you can buy a PLEX from someone and use that to pay your subscription.

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How could a PhD in economics think that a Keynesian currency system that has failed so badly in the real world be the desired path for currencies like WoW Gold and EVE Online ISK in the virtual world?

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