Last June, Turbine made the decision to switch Lord of the Rings Online from a subscription-based business model to a free-to-play model supported by microtransactions. In a podcast interview with Ten Ton Hammer, Turbine executives revealed that the switch has gone well for the company, with game revenues roughly tripling. The active player base has also grown significantly in that time. Executive Producer Kate Paiz said, "This really echoes a lot of what we've seen throughout the entertainment industry in general. It's really about letting players make their choices about how they play."
Libertarian generally means that they are for very small government, which usually corresponds to either limited or no copyright protections instead of the life of the author plus another 70 years we have now.
No, normal engines work by using the expanding gasses that are a product of combustion to exert pressure to move the cylinders.