The Building Coder has put together a very advanced post that essentially demonstrates that the Revit API can sample an external, continuously changing graphical ‘feed’, and then display this inside Revit itself.  Cool!

Now, I challenge someone to grab the live feed from a webcam looking out a real-life window, and then show me it presenting itself through a Revit Window family 🙂

Quote:
Here is RevitWebcam2012_3_final_cleanup.zip containing the cleaned up code with all obsolete API usage removed.
Here is a snapshot of RevitWebcam up and running in Revit 2012:
RevitWebcam in Revit 2012
Read more / via
The Building Coder: Revit Webcam 2012