A capacitance type acceleration sensor includes a semiconductor substrate, a weight portion supported with the substrate through a spring portion, a movable electrode integrated with the weight portion, and a fixed electrode cantilevered with the substrate. A method for providing toll-free access to the voice mail system that may be used by customers from both on-network and off-network end points. The BigFET gate driver includes gate pull-up circuitry for pulling up the gate of a lower one of the BigFETs. Other embodiments may be described and claimed. A determining portion determines whether the predetermined request is already made to the server, based on the request status information acquired by the request-status-information acquiring portion.