Second Life creator Linden Lab has announced that "residents" have now spent more than one billion hours in the 3D virtual world since it launched in 2003, and generated more than $1 billion through the sale of virtual goods and services.
Linden Lab said that user hours grew 33 per cent year-over-year to an all-time high of 126 million in the second quarter of 2009. During the same period the in-world economy grew 94 per cent.
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