Abstract: A currency delivery assembly for exchanging monetary currency between two individuals beyond arm's reach apart includes a rod gripped by a first person. A cup is coupled to the rod. The cup may contain monetary currency. The rod is manipulated by the first person to extend the cup toward a second person so the cup delivers the monetary currency to the second person. A clip is movably coupled to the cup to retain paper currency within the cup.

Abstract: Systems and methods for providing mass customized media items, such as songs or other audio items, are provided. Multiple versions of one or more song segments may be generated, as well as a version of a song using each of the segment versions. One or more generated versions of the song may be provided to a user. The song version or versions may be provided in response to a user selection of one or more of the segment versions.

Abstract: An air cleaner for a vehicular engine includes a pre-filter which receives air flow containing particulates and a primary filter which receives the air from the pre-filter. The pre-filter removes a first proportion of particulates from the air, and the primary filter removes a second proportion of particulates from the air. The pre-filter is separately serviceable from the primary filter.