Episode 15 of Tech Startups with Fexingo dives into Datadog's rise as the essential observability platform for cloud infrastructure. Lucas and Luna explore how Datadog went from a scrappy monitoring tool in 2010 to a public company managing over 700 integrations and processing petabyte-scale telemetry data daily. They break down the company's core product lines — infrastructure monitoring, APM, log management, and synthetic monitoring — and explain why modern engineering teams rely on Datadog to keep services running. The episode covers the founding story by Olivier Pomel and Alexis Lê-Quôc, the shift from self-hosted to SaaS, the competitive landscape against Splunk and New Relic, and the controversial pricing model that can surprise customers. Specific numbers include Datadog's run-rate over $2 billion, 27,000 customers, and 99.99 percent uptime SLA. A practical takeaway: how observability differs from traditional monitoring, and why unified dashboards matter for DevOps teams.