Story about Zynga in SF Weekly

This is a current story of Zynga - called Farmvillians and some startling stories of rise to their success.

They are incredibly successful and though, there are concerns about the continued success, there is no denying this $500m/year number.

It is dispiriting to see the rewards for blatant plagiarism.

But is this something that people should ape? Maybe no one can and this could have only happen once.