| − | |Whether this feature is selected by default. Each piece of software should have at least one forced feature, which will define a lower limit for development time. | + | |Whether this feature is selected by default, the player won't be able to un-tick it, unless it is superseded by another feature. Each piece of software should have at least one forced feature, which will define a lower limit for development time. |
| − | |Whether this feature is seen as vital in the market. If a feature is vital, software which does not have it implemented upon release will be considered lower quality by consumers. | + | |Whether this feature is seen as vital in the market. If a feature is vital, software which does not have it implemented upon release will be considered lower quality by consumers, e.g. the 3D feature for operating systems is vital, since you wouldn't expect an operating system to not have it after it has been invented and used. |