Agenda of Paris ClickHouse Meetup was full of use cases, mostly from France-based companies which are actively using ClickHouse. Slides for all talks are available on the GitHub.
Christophe Kalenzaga and Vianney Foucault, engineers from ContentSquare, company that provided the meetup venue:
Matthieu Jacquet from Storetail (Criteo):
Networking after the meetup: