9. The method of claim 1 , further comprising: monitoring user behavior to determine at least one use pattern; and adjusting a time remaining of said content item idle timers responsive, at least in part, to said at least one use pattern.
9. The method of claim 1 , further comprising: monitoring user behavior to determine at least one use pattern; and adjusting a time remaining of said content item idle timers responsive, at least in part, to said at least one use pattern. 14. The method of claim 9 , wherein said use pattern indicates a likelihood that a given content item having said content item characteristic will be deleted prior to entering said idle subset.