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Sandbox appears to have become a new buzzword, and there are people decrying it's supposed misuse in titles deemed to be anything BUT a sandbox.
Now as to whether they are valid in their anger, I can't really say, nor will I try to say anything about it, mostly because I'm always out of the loop, but this does bring me to my point.
Do you think it would be more beneficial to minimize the use of phrases such as "Themepark" and "Sandbox" and start being more specific about what EXACTLY is desired from an MMO?
Because Themepark and Sandbox, IMO, are so vague at this point, that being more specific would potentially make it easier for developers to to find niches in the MMO genre that they might be able to tap into, rather than creating a massive mish-mash of partially complete/underutilized or plain subpar mechanics in an attempt to grab everyone and their kitchen sink.