German mass media giant ProSiebenSat.1 has become an unlikely leading light for AI-powered content discovery. The company’s Joyn streaming service has added a new feature affectionately named Joyce, a personal assistant based on Google’s Gemini AI technology designed to improve search and discovery. But as with any new feature dressed in AI-colored clothes, we have to ask whether this is a real gamechanger for search-starved subscribers, or just another glorified chatbot? Joyn previously used UK-based content recommendations vendor The Filter to develop personalized services for its streaming users. This relationship initially emphasized a strong focus on data science and mood-based features, but evidently did not exert enough effort on AI-based assistants. The Filter went on to be acquired by 24i…