Splunk provides a unified data platform that can provide global visibility across multi-cloud environments. It collects and analyzes data from various sources, both on-premise and in public clouds, to help users address challenges like lack of visibility, cost control, cloud sizing and vendor lock-in, consistent security, and unknown future questions. Splunk offers features like apps/add-ons for faster time to value, machine learning tools, and a single platform to monitor all deployments. Case studies show how companies use Splunk to enable cloud migration, cost optimization, and security across hybrid infrastructures.