Until recently the hotmelt adhesive world was battling raw material shortages. Most shortages related to availability of C5 monomers. Isoprene had often been critically short, affecting SIS block copolymers, and then piperylenes, DCPD and C9 ARO started to disappear from the market, affecting tackifying resins. But about five years ago everything changed. We will chart what happened and why, where the market is today and where it is heading tomorrow.