Woo hoo! HubSpot launches Agent Hub and Agent Builder (in public beta). This is a big day in HubSpot history. Two important new products that I've been looking forward to for a long time. Let's first talk about Agent Builder -- because it's an idea I'm very, very close to and unabashedly excited about. Here's the quick run-down: 1) Agent Builder lets you...wait for it...build agents! 2) You can build chat-style agents based on data, tools, prompts, etc. or you can build agentic workflows.…