8. The method of claim 1 , wherein the voice command includes a parameterized voice command including a root operation and a parameter that modifies the root operation, and wherein the method further comprises: selecting a personalized value of the parameter based on the user identity; and presenting via the display a voice-command suggestion with the personalized value of the parameter.
9. The method of claim 8 , wherein the personalized value of the parameter is a first personalized value, and wherein the method further comprises: in response to exceeding a duration, selecting a second personalized value of the parameter based on the user identity, the second personalized value differing from the first personalized value; and presenting the parameterized voice-command suggestion with the second personalized value.