Abstract: A multi-function leaf-separating-discharging height-and-angle-adjustable louvered pergola comprises: opposing end caps, multi-screen-securing edges, rainwater-and-wind-sealing insulation strips attached to multi-screen-securing louver blades for automatically raising and lowering shade and video projection screens and controlling fruit-drying duration and also functioning as a truck-bed tonneau cover, cradle axels inserted between cradle caps and rotation cradles, stanchions and rotation cradles screwed to first and second leaf-discharging side gutter beams, corner posts, multi-louver-control bar connected to linkage arm, linkage arm connected to worm-gear transmission controlled by multi-screen-raising-lowering multi-louver-control crank, first and second rainwater-channeling-and-leaf-filtering side gutter beams attached to the corner posts, the discrete-leaf-filtering tubes, spouts, corner-post base plates, and height-and-angle-adjustable tube screws screwed into the corner-post base plates.

Abstract: A multi-function leaf-separating-discharging height-and-angle-adjustable louvered pergola comprises: opposing end caps, multi-screen-securing edges, rainwater-and-wind-sealing insulation strips attached to multi-screen-securing louver blades for automatically raising and lowering shade and video projection screens and controlling fruit-drying duration and also functioning as a truck-bed tonneau cover, cradle axels inserted between cradle caps and rotation cradles, stanchions and rotation cradles screwed to first and second leaf-discharging side gutter beams, corner posts, multi-louver-control bar connected to linkage arm, linkage arm connected to worm-gear transmission controlled by multi-screen-raising-lowering multi-louver-control crank, first and second rainwater-channeling-and-leaf-filtering side gutter beams attached to the corner posts, the discrete-leaf-filtering tubes, spouts, corner-post base plates, and height-and-angle-adjustable tube screws screwed into the corner-post base plates.

Abstract: Systems and methods for attributing an ad impression due to a telephone call generated from a displayed advertisement are discussed herein. Techniques and systems for managing a pool of phone numbers and allocating phone numbers from that pool to advertisements for display and presentation and also tracking the number allocation time and de-allocating numbers for re-use are also discussed herein. Also, systems and methods for attributing particular calls to particular advertisements based on the ongoing phone number allocation are discussed.