Have a look at http://blog.wolfire.com/2010/05/Another-view-of-game-piracy http://blog.wolfire.com/2010/05/Another-view-of-game-piracy <large number>% of copie

Have a look at http://blog.wolfire.com/2010/05/Another-view-of-game-piracy http://blog.wolfire.com/2010/05/Another-view-of-game-piracy <large number>% of copies are pirated, but only <tiny number>% of players pirate, it is simply that (some of) those that do pirate will tend to pirate a whole lot more games. Meaning that that 90% piracy rate means e.g. 5% lost sales. And if you follow https://news.ycombinator.com/item?id=15319476 https://news.ycombinator.com/item?id=15319476 then 90% piracy rate could also mean 5% extra sales.