The document discusses Yle Archives collaborating with customers and cultural institutions by publishing archive materials online with Creative Commons licenses and engaging audiences through activities like hackathons. It provides details on publishing radio dramas from the 1930s, crowdsourcing metadata with a local library, and lessons learned from collaborating with audiences. Open publishing platforms like Flickr, Freesound, and Vimeo are used to share over 1000 sounds effects and hundreds of photos and video clips.