The Summer of Data` is a promotional campaign by Census, a data integration platform, aimed at helping users stand out in their data careers through events, community engagement, and exclusive summer swag. The company has introduced new features such as warehouse-centric observability capabilities to ensure data quality for reverse ETL, role-based access controls, and expanded connectors with popular business tools like Braze and HubSpot. To celebrate the launch, Census is hosting various live sessions, including a guide to operationalizing customer churn prediction and a showcase of how payments platform Spreedly uses Census with Looker for marketing personalization. Additionally, users can leave reviews on G2 in exchange for a $50 gift card, and the company is hiring new talent to join its team.