1. A system, comprising: an accepter module configured to accept a mobile device location query using digital signal processing, including at least: an elapsed time accepter module configured to accept an indication of a predetermined elapsed time that causes the mobile device to indicate a location; and a partial hibernation mode module configured to accept an indication to enter the mobile device into a partial hibernation mode at least partially based on at least one indication of the elapsed time accepter module, the partial hibernation mode module configured to at least: receive at least one indication of the mobile device not having been moved for a predetermined duration at least partially based on the elapsed time acceptor module; and power down, at least partially based on at least one received indication of the mobile device not having been moved for a predetermined duration, one or more portions of the mobile phone, the one or more portions of the mobile phone not related to accepting a mobile device location query or presenting an indication of location of the mobile device; and a presenter module configured to present an indication of location of the mobile device at least partially based on receiving the mobile device location query.