Open Access was in the spotlight during the PASTEUR4OA (Open Access Policy Alignment Strategies for European Union Research) Final Conference “Green Light for Open Access”. The Conference was an event officially associated with the Dutch EU Presidency and attracted some 150 experts from research funding and research performing organisations, publishers, and national policy makers across Europe. It also attracted significant attention on Twitter (#greenlight4oa) with more than 1500 tweets. PASTEU...