This 'getting used to' phase also applies to the Microsoft ribbon[1]. And all the differences from NT-XP-Vista-7. Moreover, it's more likely that the GUI can

This 'getting used to' phase also applies to the Microsoft ribbon[1]. And all the differences from NT-XP-Vista-7. Moreover, it's more likely that the GUI can be forced to be stable on Linux, while the underlying system receives security updates, because of the separation of components. [1] Right now, the keystrokes I know for Microsoft Excel still work, but they bear no relationship to the UI at all.