18. The computer readable storage medium of claim 15 , the throttling instructions further comprising instructions for ascertaining the selected contextual profile when a plurality of contextual profiles are consistent with the current user context.
18. The computer readable storage medium of claim 15 , the throttling instructions further comprising instructions for ascertaining the selected contextual profile when a plurality of contextual profiles are consistent with the current user context. 19. The computer readable storage medium of claim 18 , the selected contextual profile ascertained according to a level of specificity corresponding to each contextual profile.