This document summarizes a presentation on teaching open web mapping. It outlines the desired learning outcomes, which include creating thematic slippy maps with Leaflet and linked geovisualizations with D3. It describes the web mapping technology stack and workflow. It discusses the 2014 curriculum sequence and assessments of how well it worked based on entrance/exit surveys, instructor logs, and student feedback. Students showed a steady increase in learning and self-confidence, though expertise with tools remained low to moderate. The presentation concludes by highlighting some student projects and providing contact information.