Which of the following is NOT a method by which Datadog facilitates collaboration?

Datadog facilitates collaboration primarily through features that enhance communication and information sharing among team members and stakeholders. Custom metrics allow teams to define and monitor specific performance indicators relevant to their objectives, which enables better decision-making and collaboration on data-driven tasks.

Integrations with communication tools streamline updates and alerts, ensuring that team members can quickly share vital information without leaving their preferred workflows. Public dashboards provide transparency and easy access to performance data, making it simple for stakeholders, including non-technical members, to understand project progress and make informed decisions.

In contrast, products purchased through third-party vendors do not inherently contribute to collaboration within the Datadog ecosystem. While they may serve various functions, they do not specifically enhance the collaboration features that Datadog offers. This focus on tools and methods directly designed for collaboration is what sets the other options apart in this context.