Woo Hoo! Thrilled to announce the launch of HubGrader in public beta. I started tinkering with the idea of a simple tool to analyze a @HubSpot user's usage many years ago as part of a HubSpot Labs project. Now, I'm finally ready to share it and have the community try it. It's super-simple: Go to HubGrader .com and connect your HubSpot account (just uses this to verify your identity -- it does not change any data in your account). Then it'll (eventually, fingers crossed) come back with a…