17. The non-transitory computer-readable storage medium of claim 16 , wherein the computer-readable medium is encoded with additional instructions which, when executed by the at least one processor, further cause the computing system: to determine a relative priority for each of the plurality of potential user-selectable functions based at least in part on the social network data.
18. The non-transitory computer-readable storage medium of claim 17 , wherein the computer-readable medium is encoded with additional instructions which, when executed by the at least one processor, further cause the computing system to determine the first user-selectable function based at least in part on the relative priority.