Special Delivery http://smallplanetgroup.com/google-papers-research/ tumbler salvage analyze essays ceased attempting It's the last bit that is most telling. Beta testers tend to understand and work within the confines of unfinished software. They're often fans of the developer or the series, and they feel honoured to be part of the testing process. Paying consumers will react very differently to a slow server or bugs in the system – they'll re-start, they'll log out and log back in – they'll get angry. Furthermore, if they do get on, they will interact with the game in very different ways, testing its boundaries, trying weird stuff – doing things the developers didn't expect. You can't predict what 2m people are going to do.