Looker Studio adds 15 partner connectors in year-end expansion: Google expands Looker Studio Connector Gallery with 15 integrations from Supermetrics, Dataslayer, and others spanning retail media, social platforms, and CRM on December 23, 2025. https://ppc.land/looker-studio-adds-15-partner-connectors-in-year-end-expansion/ #LookerStudio #Google #DataIntegration #PartnerConnectors #DigitalMarketing