8. The computer-implemented method of claim 4 , wherein the interpolating further comprises interpolating the personal model and the general model and one or more additional models to obtain the composite model.
8. The computer-implemented method of claim 4 , wherein the interpolating further comprises interpolating the personal model and the general model and one or more additional models to obtain the composite model. 10. The computer-implemented method of claim 8 , further comprising: selecting a first model to include in the one or more additional models based at least partly on the user data.