The Last Dispatch Validation by Prototype The Last Dispatch is the very first proof of concept prototype designed following the principles of Medlay and it narrates an original short story. What is Medlay? Hybrid Media Form Ubik Chap. 6 Validation by Prototype Foreword What is Medlay? Proofs of Concept The Last Dispatch Ubik Chap. 6 How It Works Pieces Sequences Words & Sounds Afterword Research What is Next?