Demos, POCs and integrations that get enterprise buyers to yes - with a GTM background behind the code.

The prospect adopted the solution I proposed: co-browse launched from inside the Connect agent workspace, with no context switch for their agents.
Deal won. A running app in the prospect's own stack answered "will this work for us?" better than any slide could.
Now a live demo the sales team runs with prospects as leverage to close deals.
Root-caused both bugs so the customer could keep using Webfuse - which led to an upsell on the account.